M.I.T. L®RARIE8 - DEWEY Dewe3 HD28 .M414 MIT LIBRARIES llllllllilllll I IMi: lIlllH lllllll 3 9080 00932 7526 A Research Retrospective of Innovation Inception and Success: The Technology -Push Demand-Pull Question Shyam Qiidamber Henry Kon March 1993 WP#3767 PROFIT #93-06 From Information Technology "PROFTT" Research Initiative Sloan School of Management Productivity Massachusetts Institute of Technology Cambridge, MA 02139 USA (617)253-8584 Fax: (617)258-7579 Copyright Massachusetts Institute of Technology 1993. The research described herein has been supported (in whole or in part) by the Productivity Technology (PROFIT) Research PROFIT sponsor firms. Initiative at MIT. This copy is From Information for the exclusive use of Productivity From Information Technology (PROFIT) The Productivity From Information Technology (PROFIT) Initiative was established on October 23, 1992 by MIT President Charles Vest and Provost Mark Wrighton "to study the use of information technology in both the private and public sectors and to enhance productivity in areas ranging from finance to transportation, and from manufacturing to telecommunications." At the time of its inception, PROFIT took over the Composite Information Systems Laboratory and Handwritten Character Recognition Laboratory. These two laboratories are now involved in research related to context mediation and imaging respectively. OF TECHNOLOGY MAY 2 3 1995 LIBRARIES In addition, PROFIT has undertaken joint efforts with a number of research centers, laboratories, and programs at MIT, and the results of these efforts are documented in Discussion Papers published by PROFIT and/or the collaborating MIT entity. Correspondence can be addressed to: The "PROFIT" Initiative RoomE53-310, MIT 50 Memorial Drive Cambridge, MA 02142-1247 Tel: (617) 253-8584 Fax: (617) 258-7579 E-Mail: profit@mit.edu A Research Retrospective of Innovation Inception and Success: The Technology-Push Demand-Pull Question Shyam R Chidamber Henry B Kon MIT Sloan School of Management Room E53-314 30 Wadsworth Street, Cambridge, MA 02139, USA March, 1993 (Forthcoming in the International Journal of Technology The authors would Schrader like to Management Vol. 9, No. 1, acknowledge the insightful comments of Stephan 1994) Abstract Innovation researchers have frequently debated whether organizational innovation by market demand or by technological shifts. is driven The market demand school of thought suggests that organizations innovate based on market needs, whereas the technology proponents claim that change in technology is the primary driver of innovation. Collectively, empirical research studies on technological innovation are inconclusive regarding debate. Eight key studies relevant to this issue are caveats, to establish a structured way this technology-push demand-pull (TPDP) examined for their methods, implications, and of interpreting the various results. The philosophical underpinnings of market demand and technology factors as drivers of innovation are also examined. This paper suggests that push findings conclusion is is due much of the that there exists a clear relationship may be demand to different research objectives, definitions, and the outcomes observed, suggesting constructs contention between the between the research models used that differences in examined in light and technology and models. The main in these studies problem statement and research causing the apparent incongruity in research findings. national policy level issues are also pull Organizational and of the finding that different levels of analysis lead to different results. Key Words: technology impUcations push, demand pull, innovation, levels of analysis, research models, policy achieve widely varying 1. 1.1 INTRODUCTION The R and why 's the explanatory power of individual variables is unstable across them. push technology demand pull Additionally, Langrish, et [1972], in a study al. research question frequently quoted for The Technology Push-Demand question constitutes a dialogue Pull among suggests that innovation is demand pull write: makes us skeptical of attempts to define unique origins for particular innovations. Different workers select different 'origins' The point was for given innovations. It innovation researchers about the underlying motivations and The push argument driving forces behind innovation. support of its (TPDP) home to us when we provided each other with given sets offacts and asked each other 'What was the origin of this innovation?' or 'Where did the forcibly brought driven by science, which , in turn drives The technology and application. pull come from?' Even among technical idea argument suggests the opposite, that user factor and that markets, the primary demand is different answers were forthcoming. In view of this uncertainty, ourselves, users and the concept of a applications are, or should be, the key drivers of and innovation innovation. is a linear model of the innovation process with science at one end and markets or users at the other. ramification at many levels of inquiry ranging from understanding the source of is a hazy one, Unfortunately, as human ... is typical in the study of organizations or social processes, there are for an individual inventor, to Not only issue. The any universal one exists, is that factors influence the innovation process, and many that only and levels of analysis can meaningful distinctions be made. Downs and Mohr is a 'chicken and egg" quality to the Confounding the problem so that even if types were developed, cumulation of results would still be difficult due to the fragmentation of studies and to the inherent uniqueness each piece of work is, 'in in scientific projects. science and technology, by definition, unique. previous research indicates that ... determinants important for one innovation are not necessarily important for others. problem has been solved before, Perhaps the most straight forward way of accounting for this empirical instability and managers there continues and evidence theoretical confusion (in innovation) is a unitary theory of The existence of empirically distinguishable categories of innovations and their associated models would help to explain why studies employing roughly the same predictors to reject the notion that innovation exists. the fact that a well catalogued set of innovation Allen [1984] suggests [1976] suggest: is TPDP research goals of related studies are slightly different, through bounding the question, and working within a tighter set of definitions complex and inter-related, but they are in a sense unobservable; there strategy among companies and nations. are the underlying processes the establishment of economic policy and competitive if exploitation its serious obstacles to obtaining generalizable results. The question has "answer", between a cmd Implicit in a pure version of either side of the debate inspiration 'time-lag' discovery or invention research.' And it is no longer so, unfortunately for policy to at several different level If the makers be a lack of hard of analysis. This situation summarizes, to a large extent, ... the state of related research at this point; different studies concentrate sometimes due on different facets of the question, to different research goals, and to unsubstantiated conclusions. sometimes due empirical studies at the firm or project level there appears commonality results in suggesting that market pull may be a more significant factor in the Yet success of an innovation than technology push. at both higher levels of analysis such as economic, and lower levels of analysis such as isolated case mixed studies there are were become Difficulties Much research results demand much of the work in the area is a project-centric ex post analysis of those innovation which have reached some projects particular stage of the some development process or had of impact on an industry's activity. This level approach has some hidden biases and assumptions. In short, this approach ignores the possibility that which failed might have been major products successes had the market had more time to adapt to declared failed, there Empirical Research in feature of and eventually adopt the product. clearer. technical or market may When a product is be other factors than which caused it to and fail, of the empirical research related to the For example, many of topic lacks definitional rigor. the If more consistent, managerial and policy implications could 1.2 results. A conjjjion In pull studies compare successful and products least likely to offer short term profitability (non market pull products) would be the cut from an unsuccessful innovations and suggest that user needs are important to success [SAPPHO, R&D budget technical difficulty. in first to get times of managerial or Thus a strong bias exists in the Utterback]. This definition of products along their success-failure is unlikely that companies that are not sensitive to user needs could succeed, and seems tautological, as it dimension towards market oriented products. Van de Ven and Poole [1989] remind whether the observed relationships are due to us of cause or the difficulty in doing an ex post analysis of products effect is unclear. The TPDP question might which are known better to have failed or approached with user needs as a given and not an recognized that knowledge of the success or failure of an innovation invariably leads important variable measure, to or at not: "it is widely be to bias." This might least suggest that quantitative ex post data collection acknowledging the interaction between technology techniques such as those used push and market pull. may simply be an of demand and the a in project SAPPHO Issues such as the specificity prion definition of the inadequate research model for the target topic. market are poorly addressed in existing research. Defining commercial success as a binary outcome 2. variable misses some of Survey of empirical work the underlying subtleties in This section includes a summary of the eight Sensitivity could be gained by using innovation. studies analyzed. quantitative empirical understanding /low research, much of such as The studies are broken out by their by push versus pull orientation. For each of the push a success an innovation and the pull sides there are three empirically based was. can Firm level financial provide much and accounting statistics papers. In addition, of this information two meta-analyses of demand side fairly research are included; one which refutes demand pull, objectively. and one which supports found in it. These meta-analyses are Mowery and Rosenberg, who go to great lengths to point out the underlying definitional and technology push, or scientifically novel innovation, empirical weaknesses would generally have poorly or undefined markets. Utterback, who pull-side research, and in the A comment made aggregates the findings of previous empirical studies, confirming the importance of SAPPHO market demand. failures Demand 2.1 studies are four of the major studies referred to as demand-pull studies. based on post ex distinguishing All are characteristics of related successful analysis confirming the findings of the other three. draw the conclusion that attention to market demand, or information from market sources, and not technical sources, was major factor for the the that "failure was frequently associated There are two interesting [p 276]. hypotheses that might follow from first is that in good rival this observation. times of managerial difficulty there to innovations, with Utterback's [1974] aggregate meta- All was management" The collection data study based on the qualitative analysis of with neglect of relatively elementary rules of pull studies The following by the authors of the may be upper management bias, when funding limited, towards canceling funding of leading is edge innovation more quickly than innovation for which a SAPPHO clearly defined market exists. measure managerial competence at authors only a higher level: that of "the innovating organization" (as opposed, for example, to the successful innovations. R&D and marketing organizations), though they conclude that basic mismanagement was 2.7.7 Project SAPPHO 1974 a major problem for most failed innovations and suggest that there SAPPHO Project demand intent is high quality and pull supporting study, though its original also was an empirical cataloging of process along many the innovation The different dimensions. research study includes detailed data collection of paired successful and unsuccessful innovations in the hope of eliminating mono-operation bias (i.e., studying successful innovations only). is corresponding role of science is uninvestigated. in in and thus the the innovation Indeed the fact that paired comparisons were based on their competition for the same market [SAPPHO] might screen out possibility of technology The second ability. management of technology the sample, R&D function is often specialists management the in rival hypothesis, who have that handled by little formal a higher 'mortality rate" on more training, mismanagement based is placing advanced products. no evidence that technology push differentially affected failure or success, process no substitute for managers of caused by a bias While the study demonstrates the importance of user focus success, there is heavily cited as a The do not indicate the lack of importance of technology. Rather, the data seems to argue for a balance between organizational competencies and firm level focus on the marketing interface for greater success. representing ten aggregate index variables, R&DIn data two of the leading four determinants of success are scientifically the push even being correctly results oriented. (These were: communications with outside represented as a core concept in the study since true contacts.) level, an R&D strength and scientific or technical This would indicate that at the aggregate R&D focus is at worst a close second behind a marketing focus in defining an innovation's success. to Even though these two only commercially successful innovations as the second in the variables overall relevance, made of the importance of the two came little in first and discussion interaction is between the innovation process. in the overcome the empirical study claims "success financial criteria, sample, is however, some at innovations, the yet be in the future." The weak along that slightly is looking in not judged solely by that for ... may financial returns weakness Meyers and Marquis 1969 2.1.2 dimension as the Queen's Awards (Britain) Results of this study are many, but the dimensions of innovation differentiation are of The study provides particular relevance. However, this research than a prescriptive themselves is acknowledge descriptive and does not reason more a statement of fact, of conclusions. list The main the quantitative data. that show the The authors research show for an innovation would have less Those organizations that do apply will likely be biased towards a heavier marketing or public relations focus. Most of the innovations sampled turn out to be financial successes. The authors mirror the sentiments of several is of the other demand pull supporters difficulty in finding in the study, and the is in that there is going beyond descriptive studies, and that in making any claims of causation. that in only twenty-one percent of the successful innovations More fundamentally, the authors note that through effective marketing technical opportunity a primary factor in the innovation. their causality. cited as a pull supporting study was recognition of a submitted motivation to apply for such an award. problems exist it is which given to innovations for judgment, and organizations with no profit to and does so through interviews, so qualitative some of organizations a strong record of the innovations within real organizations, information backs up those is Market factors were reported as the primary factor in forty-five percent of the innovations and manufacturing in thirty percent was project success likely to - R&D it interaction that come, and that project success was a meeting of a technical need. authors credit the technology push in in indirect ways, but was all one comment The of the cases in particular indicating, according to the authors, that three-quarters illustrated a point: suggest that because they of the innovations could be classified as responses to demand recognition. A direct recommendation made by the authors managerial is that R&D manufacturing could not exist without electricity, then only through the invention of electricity could innovation have come some sense by definition labs should pay attention to needs for innovation in about, thus technology push in is always present. [1972] addition to maintaining technical competencies. This is at best anecdotal evidence and not a very strong They also suggest one possible firm level definition by which statement regarding larger issues of market pull. it may be push from demand 2.1.3 Langrish 1972 that in its definitions et.al.[\912\ study was clearer and samples. The authors attempt 4 pull: "if a sales manager realizes a product needs a particular new property, then the innovation The Langrish possible to tease apart technology is 'need pull' type." y Technology push studies 2.2 2.1.4 Ulterback 1974 The following Utterback states strongly that percent of the cases demand was in in 60 80 to market his meta-analysis, representative study which supports the technology push concept. the motivating force in the innovation. Mowery & Rosenberg 1979 2.2.1 Although he qualifies this conclusion that very little research is available sense in the on the adoption decisions by firms, suggesting that firm biases make ex post research questionable. may is thought to be an increasing function of firms proportion using already the innovation, and naturally, the higher the risk factor the less likely the decision to adopt. the lag an application This time period is The eight to fifteen years. critical for innovation studies as the time frames of the unspecified. is most innovations studied are result of this is that there is market pull results would skew public policy making to favor a pre- towards successful market pull innovations which are able to get to degree of in shorter periods of time. The between existing company and fit management processes and a new technology Thus, push innovations are predestined to not proper management there attention placed in the effective dissemination of information related to the product. This research. There is an element missing from the seems to be little interest (or great difficulty) in measuring managerial and competence with respect to perhaps commitment an innovation. and show purpose is that these studies variables. do not measure the They not to deny that market state that "our demand plays an indispensable role in the development of successful innovations. Rather, that the role of demand has been overextended and misinterpreted Their study is a meta-analysis of eight empirical studies that are most frequently cited as evidence for the demand pull argument. They suggest that every the fail if Their primary goal was to critically same dependent are cited as inhibitors to effective diffusion of technologies. is continued disinvestment in basic research and evaluate the major studies that supported market pull selection bias in the collection of research data market had Their concern was that the preponderance of the results in that market-pull factors significant influence over the innovation process. time measured between an innovation's used number of empirical is stimulating information being generated and the time it is [1979] were distressed results of a which showed development. interesting note in that this research & Rosenberg by the uniformity of studies an innovation An Mowery Importantly, he states that the probability that a given firm will adopt of the four sections each cover one one of the demand pull studies suffers from problem of confusing the insatiable infinite number of human wants with market demand and propose a more rigorous definition of demand pull to be a demonstrable shift in the demand curve faced by the firm. This meta-analysis has significance that of casting doubts pull argument. It on the validity of the adds an entirely new beyond demand level of analysis for innovation research in general, by suggesting that the effects observed at the firm level may not apply or be consistent with, effects observed at the industry or the national level. In other words. " what is may for General Motors, good America or even for " not be good the auto industry. High fructose com syrup was a radical innovation the industrial sweetener business, since it in made it possible for U.S. industrial consumers to obtain a Freeman 1982 2.2.2 less & Mowery Rosenberg importance of studying the stressed TPDP question the Freeman [1982] study The data analysis. macro-economic collection is focused on more such issues as Besides macro-economic Freeman seems to have been influenced from economic progress high. restricted to a single firm. scientific journals economic data from 1932 to and industry 1972 were used to piece summary Casey, unequivocally states that "the innovation in high fructose corn syrup was not due to product focused research, but because of medically oriented biological studies in cell metabolism. Besides being a ringing testimony for the by Schumpeterian ' thinking, and echoes the notion that without scientific progress, was not in data, the study also uses qualitative data to support the findings. was very The case history of a single innovation, the data collected Instead, records this innovation together a historical retrospective. In his changes occupational levels in different industries instead of projects in specific firms. this is a a higher an example of such an is commercial payoff of Though at of analysis than the firm alone, and this level expensive domestic substitute for sucrose. technology push argument, the Casey study raises two important issues. First, to truly understand the will grind to a halt. The results of the Freeman study effects of technology push, time seems to be an indicate important factor. Casey looked at data from a variety that in the long term, a strong scientific base contributes to economic progress through the process of sources that was archived over forty years. The time factor could partly explain the preponderance of of innovation. of the TPDP This study illustrates the complexity demand argument and the need multi-construct studies to examine issues related to Freeman acknowledges technological innovation. that many findings pull in inherently shorter the for multi-method, duration cross-sectional studies done at the firm project level, where current employees are asked to identify the largest innovations in recent years. issues are still open by stating that "this Second, the research method and level of analysis book reflects the relatively elementary state of our demand pull studies in organizational settings, whereas the influences the results. All the present knowledge. The generalizations are tentative because they have been insufficiently tested and seem to done technology push studies do not use firm level data. corroborated by applied research. 2.2.4 2.2.3 1971 Pavitt's [1971] Casey [1976] traced the sequence of events from basic discovery and conception of a new, revolutionary sweetener to 1 Pavitt Casey 1976 refers to the Schumpeter, which its briefly Cooperation and Development (OECD) macro-economic study, aimed providing a basis for at report is a commercialization. economic philosophy of is Organization for Economic oudined J. A. in section 3 governmental policy making was response to a request from the in at the level. The study OECD council on report to TPDP or disprove either of the the to gather data OECD conditions The goal was not technological innovation. simply and factors the to for prove on technological innovation in examine the government innovation. study, this of industry, role universities and for rigor. shifts in user needs and not current trends should operationalize activity, arguments in demand all that the existing acceptable and thus in industrial demand of the industrial may deserve There are pull. pull method is Given emulation. technological slowed productivity growth and an increasingly not an academic research competitive and changing world technologically, an example of the examination an models of past corporate success may not apply well Though innovation issue process the in is divided into three parts that is measure as a As suggested by Mowery and Rosenberg, implicit assumptions to help in their interpretation. report market demand lacks definitional arguments, but countries and provide statistical analyses The comes from? Second, user needs it is of multiple levels, using a variety of at today. In summary, all authors are willing to state measures and a mix of both quantitative analyses and their preference for either qualitative data. This study suggests that incremental but leave to the reader the conceptual building of the innovations in organizations are driven by market relationship between market indicators pull factors, v^hile at national levels, basic research in changes universities, capability are necessary conditions for innovation is the continuing need for Research validity issues 2.4 the four basic measures of research and perhaps only the component statistical validity rigorously satisfied in the research Causality is not shown and statistical, is Summary of research models TPDP The discussion is a because of the inherent difficulty making constructs, complex one in measurements, Since the conduct experiments, none of the studies can claim to have a causal framework for explanation of hypothesis. headway. The Casey study was Attention to user needs, shifts in the retrospective flow are used as proxies for sources of innovation. Langrish, This leaves two issues not addressed. were ex post analyses of projects unclear where information SAPPHO level of analysis. make some largely a historical innovation. of a particular technical environment, or patterns of information First, for their Researchers have instead resorted to a and project activity are viewed as substitutes for is and not possible to variety of methodologies, in an effort to it defining external validity is it unobservability of the invention process, innovation information flows, alone unavailability of data. Constructs are poorly defmed; given the invention. is studies reviewed limited by the types of innovations or industries studied. success, but have not demonstrated that either a sufficient condition. research. validities: construct, internal, external, is They have base. The mixed methods and multi-level above. and underlying demonstrated that both market need and technical lesson, methodologically, Of the technological factors, government laboratories and individual firms have impact on overall economic progress. 2.3 in market or technical The and Meyers and Marquis studies Only at the organizational SAPPHO used matched pairs of successful and unsuccessful innovations for the study, while the other statistical two studies conducted ex post analyses of projects in a small number of Both the Pavitt and Freeman studies show industries. the usefulness of a multiple method approach. Pavitt economy. national Another advantage which can increase the external indusu-ies, The major disadvantage of qualitative information to study innovation at the inherent industry and national levels while Freeman used successful innovations. economic analysis. macro- Mowery Utterback and Rosenberg conducted meta-analyses, but & interestingly, different validity of the hypothesis. used a combination of macro-economic analyses and historical retrospectives in conjunction with many possibility of obtaining data across the is towards bias method this the is commercially studying Managers are unlikely suggest that the successful innovation was driven more by their the technical own and astute reading of scientific forces than market signals. problem discussion to the industry or national levels as did information compared to scientific information & Rosenberg. the opposite conclusions The following that is the immediacy of the skew responses from even by Another Utterback did not convincingly raise the level of the Mowery to market is This might partially explain likely drawn objective managers are prone to cite market pull in the two studies. sections give a brief summary to more the Respondents are more aware of recent factors. of the different research methodologies of studies market-based information about the innovation than referenced. the earlier, slower scientific information. cross sectional study 2.4. 1 Ex post cross sectional project focus cross-sectional data represents a single snap-shot in ex post project focused analysis deals exclusively with data from different completed projects in different organizations. post studies reviewed most of the ex In time. this factors such as and time to market are run against independent variables such as project manager responses on questionnaire items. The major advantage of it The paper significant. Case study: Innovation focused A case study (or case history) record of a specific innovation. qualitative this method is the objective Data is mainly and obtained through interviews, public analyses like contingency tables. is to present a more vivid Case studies have the The picture of the distinct advantage of providing rich details of the underlying process that independent variables and control for a number of being observed. factors such as maturity of the industry and the TPDP 8 a systematic innovation over a longer time horizon. large sample size also possible to explore a wide variety of is records and archival data supplemented with simple statistical large sample size and the consequent statistical validity of the results. more in this ex commercial Typically, regression analysis of variables such as profits, pull factors to be the all paper, structured success and profit are innovation outcome measures. market success, probably no coincidence that showed market in 2.4.2 Market is It post cross sectional studies reviewed interviews with project managers constitute the bulk makes inherently not suited for observation of slow, long term impacts, because An of the data. is The ex post This is is particularly useful in the research question, because of the slow and often subtle influences of science on the innovation level process are difficult to observe with traditional cross national levels. sectional The studies. retrospective historical effectively "normalizes" for the difference in time-lags between the effects are observable at the It also help policy industry and makers decide on public investments that encourage technological innovation. market and the effects of effects of the 2.4.4 Meta Analysis science. The disadvantages are of course, the lack of A meta-analysis is a critical overview or a However, and findings. generalizability of results quantitative aggregation of several different studies. TPDP since research still lacks causal frameworks, the insight developed from case histories can help in the development of The results of different studies are integrated generalizability of certain findings is and the investigated. A better theory in this area. meta-analysis typically also addresses the deficiencies of research in the particular area and suggests the 2.4.3 Economic/National level statistical analysis adoption of specific definitions of variables and This type of study statistical gathered based on rigorous is analyses of aggregate level data at the industry of analysis is or national level). (i.e. data The unit and longer term diffusion level of analysis is on study of this sort on large scale Since, the patterns. above the firm or innovation sample reasonable & Mowery level the sizes, observations have reasonable external and statistical question in is Rosenberg have noted definitions of constructs for may not convey is that aggregate level important firm level information, for example, national GNP figures do meta- demand and technology. Another important advantage of a meta-analysis, as shown by the & Rosenberg study, Mowery results at a higher level of analysis can shed is that the new light on the research question. The disadvantage of The disadvanuge in their analyses that different studies have very different validity. statistics TPDP observing consistency of results. Both Utterback and the ability to observe and report based examining the controversial in economy. These studies The primary advantage of a and The advantage of a meta-analysis pulling together different studies in this area and have a distinct macro-economic focus. effects whole can progress. not a project or an innovation but an entire industry or national is constructs, so that the field as a method of study this is the reliance on secondary sources of data and the possibility of misinterpretation of constructs results. and However, both Utterback and Mowery & not convey the profitability of individual companies. Rosenberg have been frequently cited for the Also, the reliability of aggregate data thoroughness of their analyses and interpretations. which is one reason is that Pavitt in his often suspect, OECD report included qualitative data in the interpretation of the results. 2.5 Constructs research, since it is valuable in TPDP can help determine whether firm in existing research Innovation This methodology missing addressed variables in the current research which are poorly models, yet were cited as important variables throughout the studies are: The relationship between (10) (1) The component time innovations inception innovation to different from (time success diffusion patterns and or innovation success. termination) as variable a the in (11) The importance of sample bias in research analysis. results. (2) Treatment of the innovation process as a "birth" process in impact of a never "grown" innovation is unknown. (3) The decision making of How firms the inventors and in for both long and whole reason for the lack of decisive knowledge about the issue lies in this inability to multiple-methodology An completely. do perform rigorously studies and alternative to the idea of creating a the multiple levels could be researched independently, Organizational processes, such as the between strategy, R&D and as done in the on focus marketing groups of a given firm as a determinants. organization. The dual nature of lead users as both users line demand in ability to the innovation The strategic motivations of the firm, as What has been the internal mechanisms of on focus is the There has been extensive focus on the innovation as a marketable entity, and the organizational much activities less and competencies that bring them about. stronger in the field is in to making the research stronger definitions. denunciation of the "other side's little process. the possibility that eight studies reviewed. Certainly a critical part The importance of the customers' state their is missing, however, even in such single level studies pull situations. ' The research results does advance the understanding of innovation methodologies. There is needed a more rigorous and such issues as suggested by Schumpeterian destruction distinction of levels of analysis, of existing capital through substitution, distinguishing innovation from invention, science and the role incumbency of and Effect of market environment oligopolistic vs (e.g., monopolistic) 3. on innovation investment, including the role of complementary from technology, and market demand from a resourceful matching of capability with needs. competitive position. (9) the contrary, the constraints. between technology push and demand (8) To in single cross-level analytic tool and innovators, which blurs the (7) somehow be embodied short term opportunities given resource interaction (6) not intended to suggest that of these variables could TPDP make optimal choices innovation investment (5) all list is a single research design. the innovators themselves. (4) The above which the eventual assets and defense of existing competencies. Philosophical TPDP underpinnings of the debate Academic study of relatively recent technical advance phenomenon, beginning end of World War II. at is a about the However, the 18th century French mathematician and philosopher Leibnitz 10 [Rescher, 1978] said to have conceived of science is The industries. basic argument of as an economically productive enterprise, dealing with a firm's research staff "putting science on a businesslike basis." innovation. 1937, Adam Smith [1937] acknowledged advancement seeking truth for ingredients that The men of own its make independent means, technical advance an first is that scientific the investment of time and to scientific combine the is economic advances have that they required money. He two ingredients brought to in basic science are The market has minor relatively role in determining the a pace and direction of innovation within the firm. The evidence given in support of this argument are major breakthroughs such as lasers, paper copiers and microelectronics which were originally developed for relatively immature or an proceeded to have widespread use and turned out to be into immensely The technology push profitable. hypothesis is who showed further supported by Merton [1973] contemporaneous nature of many the classical economists continued to ignore (according suggesting the to of economic progress, choosing instead to view technology as a means of changing the factors of the primary initiator of is for possible commercialization. discoveries, this aspect that undetermined markets. These remarkable innovations Schumpeter's view: technology push The is failed, integrated theory. 3.1. Advances school the attention of the organization by the research staff sake and identified two economic value and the second however, and economic progress. Smith saw major advances coming from activity. Wealth of Nations in the role of technological in Later, in this production, and technical advancement as Schumpeterian view) almost inevitable that certain discoveries are in course the development. Phillips [1971] later of human acknowledged the serendipity (being at the right place, at the right time). It was Schumpeter, who influence in his three of market on innovation by forces books. The Theory of Economic Development [1961], incorporating a strong feedback loop from the market success (or failure) of innovations on future Business Cycles [1964], and Capitalism, Socialism and Democracy [1975] role of economic agents innovation most innovation activity in the firm. In other words, the clearly articulated the active in innovation. commonly The notion of associated with firm changes its innovation partially in response to market signals. However, the fundamental belief in the primacy of basic science remains unaltered. Schumpeter is the idea that destruction"; he push argument. is it is a "process of creative a proponent of the technology In Schumpeter's view the pace and 3.2. Schmookler's view : demand Schmookler's [1966] studies on patented direction of innovation activity will be determined by inventions across different industries the advances in the underlying scientific base. industries The Schumpeterian view of technology push is corroborated by Phillips [1966] emphasis on the role of who scientific pull showed which had more patents were more oriented towards the market, supporting his demand pull The basic premise of the argument places a major hypothesis. knowledge that firms perceive profit opportunities in the in that order to maximize profit. is market Thus the innovation based on studies of patents, competition and innovate and technical progress market, and not the scientific base, becomes the in selected manufacturing 11 in The Schmooklerian prime mover of innovation. view extends the demand pull argument beyond the confines of a single organization to the macro- economic economy level as well, demand are provided to support is i.e, innovations all Many examples driven. this view. in the For example, are AT&T said to have developed the transistor in response to need for smaller, more efficient switching the The demand systems. pull studies by Meyers & Marquis and Langrish support Schmooklerian arguments that innovation is a response to profit The demand pull argument borders on being tautological. There innovating order to decrease profits. in is little possibility of firms Firms do innovate in order to reduce losses, but that too application studies have been questioned by Rosenberg on the basis is Schmookler's patent rational profit-saving behavior. that most patents never many commercial furthermore that innovations are never patented. Another argument against the demand argument back far fulfilling market that is enough most inventions can be traced some to basic advance in scientific are orientation only as a necessary, and not as a sufficient Many of the studies draw condition to success. conclusions beyond those which directly follow from For example, market the research results at hand. pull studies which show that successful innovations were driven by market need scientific tells us nothing about any precedence that may have enabled those innovations. Conversely, technology push studies of about organizational dynamics. Given that little none of the research directly addresses cause and effect issues, conclusions are necessarily conjectural True experimentation is infeasible, nature. in and solid quasi- experimentation has not been done. Both Freeman and Pavitt look indicators, and both conclude that at economic at national levels, over the long term, scientific discovery occurs spurts, commercial innovations. Cross-sectional innovation based studies, on the other hand, conclude consistently that the linkage between science Based on these differences is at and iu most occasional. in findings, the two sides synthesis possible? Is appear to be irreconcilable, but the differences 3.3. 1 definitions used in the TPDP spectrum differences in empirical results. Mowery and Rosenberg across the push and pull sides are inconsistent and perhaps do not even address the same underlying concepts, making synthesis of Technology push is results defined as supported difficult. when shifts underlying scientific activity evoke shifts innovation activity. Demand pull, demand curve, is in however, instead of being correspondingly represented by a shift in the considered supported in research methodology seem likely to explain the Different Research Uses Different Definitions The in in and fuels a number of more market oriented, application in technology knowledge. 3.3 demands than unsuccessful innovations. This demonstrates market Mowery reach the stage of commercial exploitation and pull towards more oriented a correlational and economic nature can say opportunities. & successful innovations are differentially when 12 the research supporting demand convincingly rebut pull as based on poor constructs, tautological research models, and lack of experimental design. varieties of technology At the same time, the two push studies (case history and economic analysis) are also both unable causality, or Case make histories to show definitive policy recommendations. which examine the long term effects of a particular innovation have a built in bias in that it only successful inventions that are studied, offering is little help in the project selection and management Because of the process. project difficulties in capturing dynamics and human interactions in scale data collection, aggregate measures are of capturing organizational dynamics is made apparent by all that The importance are available at this level of analysis. measure large in the research the consistent statement was creating the computer it was completely unable to predict the level of societal diffusion the would eventually reach, by many orders of magnitude underestimating the eventual market size and impact. The computer, which was many dimensions of the result of integration of scientific activity (in logic, solid state physics, etc.), taught people an entirely new way of managing and wanting information which, prior to the computer, would have been unthinkable. by research authors that project member's capabilities Such and organizational interfaces are innovations, which include the electric critical to project success. ubiquity the telephone, Market and technical forces are frequently cast as opposite ends of a spectrum in the research literature; suggesting somehow but not both can be present project. was repeated It in in a given innovation of the research all conclusions that combining market need with of scientific "infrastructure" power advanced transportation systems, grid, etc., seemingly makes immaterial any arguments based on the particulars of a given firm level innovation. one or the other, that computer If is it presumed that the different research methodologies are addressing the same issues, then must be concluded young to be of that the research is much it simply too value (due to conflicting results) technological capability was perhaps the single and that the subject is not yet well understood. need may also be, however, that both sides of the research largest critical underlying factor, illustrating the for a combined technology-market successful innovation. Unfortunately, the power of such interaction effects are lost comparisons of success and market or technical interaction for in failure factors binary the and labeling stimulating as an innovation, as done in cross sectional studies. New new for new many examples can be given discoveries driving examples of particularly technology serve as needs. push synthetic in microelectronics, new some eventually unsuccessful countless other uses. instances have Some and materials occasions in which scientific activity, at Classic innovations, fitting that the results contradictory. literature to becomes mixed market needs can, by definition, drive solutions, but also issue are correct within their respective are is and much not research back up both sides of the debate, this the most appealing interpretation of the results. The reason for the paradox research flaws, but rather issue being addressed. integrating findings it may be may not be in the specific This suggests that the key to is in understanding exactly which portions of the innovation processes the different research models pertain to. examples of initially aimed application, enables 3.3.2 Results Integration Though the TPDP of these technology push as a debate, become so ubiquitous domains and complementary Because there It it's existence discussion has been cast may actually reflect the as to be ignored simple inability to integrate apparently inconsistent for their scientific origins. For example, when IBM 13 results. may be an It of looking artifact complex from many levels of analysis, and social process trying to reduce to a single, objective declaration. it While each side acknowledges the importance, there models of at a is little and other's merits attempt to integrate the two strategy response to a changing environment, in attempting to profitability. follow An most environmental come from can shift either technical or market opportunity, benefit from either type. avenues of likely and a firm can Again missing from this dynamic models model are issues of organizational competencies and encompassing both organizational and economic market conditions; these constructs are hidden the policy levels are created, synthesis must remain a notion of opportunity. activity into one. No fragmented process. to resolve the research to date has been able apparent disagreement between the economic and the project and Until organizational implications for the level of analysis. levels TPDP Economic have both remain unclear, as the dynamic interaction between the structural orientation of the firm, linkage with the environment One direct question, but clearly they The policy implications may the thing short term, comes is and its dynamic unclear. clear for the studies: in all incremental innovations, which answer different types of research questions, and thus constitute the bulk of successful innovations, are can not be easily combined. launched into existing markets, or markets whose For true cumulation and comparison of demand results across studies, the pull should be held to same standards of defmitional push. Where rigor as technology shifts in the scientific supply curve or input of scientific information defines technology demand push, shifts in the curve, not attention to customer needs, should be the innovation as demand that value to the push is pull. customer criteria for defining is critical, but technology operationalized as a discrete event such as scientific information stimulating an innovation, where market pull An is model of innovation activity which might synthesize notions of technology push and demand pull summarized is Rosenberg [1979] in in Mowery entities & commonly innovation companies . sit technologically in nature than making based, those them of proportionately less long term value. The situation is murkier for cumulation of long term results associated with more radical innovations since market demand is a less well defined construct in this context. Most of the study's authors agree that there is some confusion and commercial application which confounds or potentially invalidates research data. For example, studies all which do an ex post analysis of successful and innovations which were aborted early in their of increased returns through In this model, at any given time, at incremental to which market opportunity, but rather are in pursuit that, unsuccessful innovations have a built in bias against are neither in pursuit of specifically technical nor specifically more a that which they suggest companies essentially exist as dynamic found market based successful innovations tended overall, be it is is surrounding the time-lag between scientific discovery more loosely defined. alluring clear requisite to success. In addition, an All of the authors agree demand near term needs are well known; market an equilibrium point, changing 14 development. This is a problem as there is no way to estimate the long term potential of those innovations, resulting in a bias against any innovation not have immediate market application. which does Although the researchers on the two sides of the debate disagree as to their respective positions, there exists a unifying framework which allow both results to coexist. As suggested in the for encourage R&D order to stimulate the economy, in since scientific progress is the harbinger of economic progress. previous Ultimately, the objective of the research is paragraph, the crux of the difference between the two to guide policy direction, so as a benchmark, theory micro versus macro level of is inadequate until may sides lie in the it can assist in decision making. analysis and the temporal dimension or time-lag Until research models are tested for their predictive issues between scientific discovery and commercial power, however, they will remain more application. It may indeed be true that the majority framework than the in the model category, offering merely of commercially successful innovations are market novel ways of thinking about the issue without dependent or immediately inspired by market offering any concrete policy implications. information, but this does not show not founded upon some knowledge. were the case, as If this existing scientific base of is suggested by Casey, then both the science and the market forces would be critical in complementary Technology push innovations are fewer but they may fuel a larger The were that they following two sections discuss synthesized (but unproven) implications as specific to organization and industrial/national policy. 4.1 Implications organizations for fashion. in number, Importance of R&D number of incremental Though not stated explicitly by the demand innovations. pull studies, many major The science and technology. 4. innovations are driven by current microelectronics Theoretical and practical relevance The TPDP revolution, superconductivity and biotechnology debate seem significant has as likely to change existing markets or create new implications for managers of organizations as well as markets than to grow into current ones. These major public policy makers. pull is If the primacy of the market established, organizations the nature and role of may need innovations can have significant long term economic to rethink R&D efforts and increase their payoffs for individuals, firms, and nations. in order to catch is some components therefore, in the interest of at least market orientation It market signals of an economic system to continue investment in earlier. The fmancial fortunes of the firm depend on R&D, whether that be through investment by the firm's ability to innovate in response to the individual firms or at a more aggregate level such as market; there would theoretically exist declining consortia. returns to purely scientific research. On the prime the other hand, if science mover of successful is shown to be organizations would have to increase spending on long term R&D or at least have close ties to centers of fundamental research such as universities. national level, policy makers R&D Strategy depends on firm size innovations, would have At the to actively 15 Since larger fums have more resources, they can invest in basic term benefits. research in the interests of long This is the classic Schumpeterian hypothesis on the advantage of large firms. The counter-argument to large firms may have mover advantages by first innovations and may be it continue investment that is obsolescence of existing to Large firms could competencies. however, a disincentive to invest in due radical innovation gain this hypothesis, still potentially initiating major in their best interests to basic research based in on a "deep pocket" competitive research advantage. Smaller firms on the other hand, to maintain close ties with may be more prone the pace and quality of innovation, which can market losses. in significant This is, result however, not an easy task given the apparently conflicting demands between basic research and marketing. for resources As Mowery & Rosenberg suggest, individual firms need to be aware that they are in an equilibrium at any given point in time and need to respond effectively to both scientific and market opportunities. 4.2 Lessons learned and future research major research centers Individually, each of the research studies (e.g., government laboratories) universities, new leverage scientific and to advanced our understanding of innovation and the technological TPDP question in particular only incrementally. breakthroughs. post studies such as histories As suggests, Pavitt breakthroughs do not occur major scientific at regular intervals, so Meyers market pull arguments. reiterated the Market focus may fuel incremental innovation SAPPHO and & Ex Marquis The case by Casey and Freeman provided longitudinal data on specific innovations, and the meta-2malyses by Utterback and Mowery & Rosenberg came up with firms cannot afford to neglect incremental innovations opposite results. Collectively, however, there were which can be a several important lessons learned from the profits. potential source of steady revenues and This implies that firms must continue to be research studies. receptive to market signals, which are a necessary condition for successful incremental innovations. mean closer ties between R&D TPDP First, innovation can be studied at different levels of analysis; at the firm project level, single and innovation level, and industry /national level. Results marketing within the organization and increased use obtained at one level are often inconsistent with This could The of market research. individual firm has to be results at another. Second, there is a need for multi- capable of responding quickly with innovations that construct, multi-method studies of innovation. meet specific market needs, while simultaneously is exploring basic research areas for potentially major employed tends innovations that can more significantly alter the studies. market landscape. constructs, particularly important since the research results Managing Innovation Many Langrish, of is important the SAPPHO) TPDP With to bias the results methods and the inconsistency in observed might be better understood. First principles are hard measure as related studies method of the different the use of multiple some of This both to define and to to innovation inception. Several (Pavitt, of the papers reviewed here include a subjective have found that managing the assessment by the authors of the current state of the process of innovation function. is an important organizational Poor management practices can slow down 16 research in the area. Most suggest that in order to gain a fuller understanding, integrated models will be of trying to understand the factors that determine necessary which venture innovation success. economic activity to tie organizational to towards managing the multi-faceted nature of the problem. Mowery and Rosenberg suggest that the research to date on the topic has been of a "black-box" orientation, which the firm in is analytically reduced to an innovation production function which in inputs are mysteriously transformed into outputs. This criticism could apply of the research models, except perhaps the to all four case model but there again predictive history capability is lost enough tractable may techniques that the innovation process is to study through retrospective be underestimating the underlying As suggested by Utterback [1974, complexity. p625], case studies may continue to be a source of ideas and hypotheses for further research, but they A model is can be seen that answers to the TPDP research question seem to depend strongly on the research methodology and to The the level of analysis. inability perform experiments, coupled with the high cost of makes research progress multiple methods difficult. Meta-analyses and anecdotal evidence by experts the field appear to be the most interesting firm information available. The evidence is correlational and potentially biased. This in level retrospective, may likely models or frameworks are developed. This needs be kept more comprehensive empirical research needed which includes variables from in mind by both of technological innovation as to and researchers practitioners the impact of innovation research on the innovation process is particularly important in competitive markets. Comparing or do not offer a better understanding of the innovation process. the issues are complex, continue to be the case until more comprehensive due lack of a causal research model. The notion it Though integrating the TPDP research with the more general innovation literature There are few frameworks, difficult process. that fall directly is a if any, from the papers reviewed. If anything, these papers demonstrate the difficulty in individual to organizational and national levels. obtaining empirical data in a complex domain. 5. Where much of Conclusion: The issue fact that the were completed TPDP major studies on the in the 1970's raises the question as to whether they are applicable today. The 1950's and 1960's, for example, were a period of heavy investment 1970's in R&D, so innovation activity in the may have been skewed towards market oriented managerial scientific research. Changes in world markets and technological competition may have shifted the situation over time, calling for new studies TPDP action. The TPDP research many studies actually address different issues, but share the common element 17 and impacts, such as among certain groups, research largely ignores the organizational dynamics, with little prescription for managerial The reader is left to draw concrete conclusions. The complex interaction between markets and science are well summarized by quotes from two prominent individuals involved opposite ends of the 1984]. to revisit innovation inception issues. implications increased communications incremental innovations built on market foundations from previous the innovation literature has clear Thomas TPDP in what appear to be spectrum [Shanklin, Edison, the quintessential American inventor writes: "First be sure a thing needed, then go ahead. " is wanted or While Akio Morita, CEO of SONY corporation, oriented company not surveyed", a states: highly consumer market "Markets must be created, with Sony's advertising slogan reading: ""Research Makes The Difference ." Clearly both technology and markets play significant roles in defining the innovation process. 18 6. Bibliography: Managing the Flow of Technology: Technology Transfer and Dissemination of J. Technological Information within the R&D Organization", MIT press, Cambridge, Mass., p. 12, 1984. Allen, T. R&D IEEE Productivity", Allen, T.J., "Organization Structure, Information Technology, and Transactions on Engineering Management, Vol EM-33 No 4, November, 1986. High Fructose September 1976, pp 27-33. Casey, James P. ; Com Downs, George W, and Lawrence Syrup B. - A Case History of Innovation, Research Management, Mohr, "Conceptual Issues in Administrative Science Quarterly, Vol 21, pp 700-714, December 1976 the Study of Innovation", . Freeman, Christopher, "The Economics of Industrial Innovation", 2nd edition, MIT press, Cambridge, Massachusetts, 1982. Gibbons, M. and Johnston, R. , The Roles of Science in Technological Innovation, Research Policy, November, 1974. Gilfillian, S.C. (1935), Langrish, Merton, R.K. & "Wealth From Knowledge", John Wiley et ai, J., The Sociology of Invention, Cambridge, MIT Sons, Press, 1970. New York, 1972. The Sociology of Science, Chicago: University of Chicago , Press, 1973. Meyers, S. and D.G. Marquis, Successful Industrial Innovation (Washington, DC; National Science Foundation) 1969. Mowery, David and Rosenberg, Nathan, "The influence of market demand upon innovation: review of some recent empirical studies". Research Policy 8 (1979) pp 102-153. Pavitt, Keith, The Conditions Phillips, L. Patents, Potential Competition and Technical Progress, , for success in technological innovation, OECD 1971, (Paris: A critical OECD). American Economic Review, 56, pp 301-310, 1966. Research in Chapter 5 in Effects of Industrial Concentration: A Cross Sectional Analysis for the Common Market, Amsterdam: North-Holland, pp 119-142. 1971. Phillips, L. , Rescher, N, Scientific Progress , Pittsburgh, PA, University of Pittsburgh Press. 1978. 291, North Holland Publishers, 1974. "SAPPHO Rothwell, et ai Schmookler, J., updated- project SAPPHO J. A. Schumpeter, J.A. , , Business Cycles, New York, Adam, The Wealth of Urban, Glenn Products",. L., New McGraw Capitalism, Socialism and Democracy, Shanklin, Williams, and John K. Ryans, Lexington, Mass, 1984. Smith, 3, pp 258-291. Invention and Economic Growth, Cambridge, Mass. Harvard University Press, 1966. Schumpeter, J.A., Theory of Economic Development, Schumpeter, Phase U", Research Policy Nations, New Jr., York, York, Oxford University Press, 1961. Hill, New 1964. York, Harper Row, 1975. Marketing High Technology, Lexington Books, Modem Library, 1937. and Eric von Hippel, Lead User Analysis for the Development of Science, pp 569-582, Vol 34 no. 5, May, 1988. New Industrial Management Utterback, James Febmary 1974. , Innovation Van de Ven, Andrew in Industry and the diffusion of Technology, Science, Vol 183, H., and Marshall Scott Poole, 1989. 19 "Methods for Studying Innovation Processes", : Appendix SAPPHO 1 updated - project SAPPHO phase 974 GOAL: A systematic attempt to discover differences between successful RESEARCH METHODS, VARIABLES & SAMPLE SIZES: and unsuccessful innovations. Studies 43 paired successful and unsuccessful innovations quantitatively. Follow up interview with 34 of the failed innovation's firms 122 questions per innovation Compared successful innovations to unsuccessful innovations along several dimensions. - degree of risk taken by organization management of the organization - strength of - structure of the organizations - efficiency of marketing research and precise understanding of user need - organic vs mechanistic of familiarity of the firm with technical problems and market problems - level - strength of the development - effectiveness of the organizations communications network with outside technical and scientific - level of pressure facing the organization - a measure of the marketing effort put out by the organization work concerned with the innovation communities Comparisons made on a trichotomized and its innovation basis as to the differential across successful and unsuccessful firms. less than, equal to or greater than Innovation success defined by net monetary gain, market share, and alignment with company strategy. RESULTS AND CONCLUSIONS Successful innovators seen to have better understanding of user needs Successful innovators pay more attention to marketing and publicity - Successful innovators work more efficiently, but not necessarily faster - Successful innovators make more use of outside technical and scientific information -For successful innovators, the responsible individual on the project was of greater seniority and had greater responsibility - Conclusion is that the factors which emerge as important to success are those related to user needs, and important to maintain interaction with customer. It is No substitute for quality management. Marketing/R&D interface important. Quoted as a DEI^ND PULL study CAVEATS - - Market pull defined in terms of user needs The authors make no negative statements about the importance of technical and and technical contact was among the between success and failure. scientific input to the project, in fact scientific • higher of the differentials Predominantly process innovations. 20 Marquis Meyers and 969 1 GOAL: A systematic study of how innovation is spawned, nurtured, financed, and managed into new business. RESEARCH METHODS. VARIABLES & SAMPLES: - Studies 567 innovations at 121 firms in 5 industries - Stated as a novel study due - Uses extensive, semi-stractured. reu-ospective interviews of people close to the innovation Innovations identified as most successful in several years - no strict definition of success, but - Uses extensive - Define innovation as the introduction by a firm of technical change - Studied: nature of innovations, primary factors in their initiation, information used in formulation and commercial was most solution, to: wide range of innovation types, inclusion of adopted innovation. common result. statistical analysis in process or product. and sources and channels of information. RESULTS AND CONCLUSIONS - Recognition of demand is a more frequent factor in innovation than recognition of technical potential. - - Adopted innovations contribute significantly to success. Ideas for innovation may be evoked by information inputs Most information which led to the solution of existing technical problems was widely available. Quoted as a DEMAND PULL study CAVEATS: - - Innovations were mostly minor - market forces greater Producer-goods industries only - housing, railroad and computers No classification of firms as high or low tech No measure of the impact of the innovation All innovations were successes, no "control" group 21 J Langrish, 972 Gibbons, Evans, and Jones 1 GOAL: To build up a fuller descriptive "natural history" of the innovation In particular to relate the technological to organizational phenomenon through detailed accounts. and other aspects. RESEARCH METHODS. VARIABLES & SAMPLES: Award as the innovative sample - Used - In theory giving both financial returns the British Queen's and technical advancement opportunity to be included in the sample - Various industries, mostly manufacturing - 84 innovations - Ex post surveys and extensive interviews of successful innovations total, - Case history based - Thorough data - Some mostly incremental collection and verification of the innovations were expected to generate financial returns yet only in the future RESULTS AND CONCLUSIONS: - - 35 % of innovations driven by discovery push, 65 % by need Scientific input into the innovation process, through real, pull. comes largely through indirect channels. No support for the key individual hypothesis (p 11) Simple linear models of innovation do not apply. - There are multiple sources of information leading to innovation. - Larger innovations were more on the technology push side. Quoted as a DEMAND PULL study • - CAVEATS: • - Innovations were self-selected for submittal to Queen's judges for award, possibly leading to a marketing-heavy sample of innovations Technology push rigorously defined as material to fill a graduate level science course - - a rough measure. Need not distinguished from demand. 22 GOAL; Summarize "what we know" about the process of innovations by firms. How do characteristics of the environment affect the firm? What do we know about the acceptance of innovations in the market and about the creation of new firms based on technology. RESEARCH METHODS. VARIABLES & SAMPLES: - Meta-analytic study of 17 previous empirically based innovation studies - Covering over 2000 innovations Innovation seen as distinct from invention and dioscovery RESULTS AND CONCLUSIONS: -60-80 % of the innovations studied have been in response to market demands and user needs - Strong similarity between US and UK empirical findings Architecture (geographic distance) plays a large part patterns - - the communications A research need exists for understanding and measuring interfirm and interindustry innovation Author believes that market activity, as opposed to tax incentives or patent laws, will be the more critical factor in stimulating innovation Definitive answers will require experiments in the field, but expense will necessarily leave control out of the hands of the experimenter. activity - in among employees in CAVEATS: - - Subject to tall of the same definitional and sample biases that the other market pull studies are only successful innovations, ex post, correlational, cross sectional studies .(stated by the author) Problems are raised by the distinctly nonrepresentative nature of samples used. 23 Mowery & Rosenberg 1 979 GOAL: -Critical analysis of empirical studies -Demonstrate the inconsistency of constructs -Propose a more rigorous definition of demand pull RESEARCH METHODS, VARIABLES & SAMPLE SIZES: -Meta Analysis -Eight empirical studies analyzed -Analysis is a theoretical critique of the different studies RESULTS AND CONCLUSOMS no consistency between the studies on constructs frequently interpreted as demand -Ex-post analyses and surveys bias the results -Some studies are not valid, since they study military procurement -Pull studies say very little about direction and pace of innovation -There is insufficient appreciation for the small, continually occurring technology changes -Demand pull assumes perfect market signalling -Shift in demand curve is proposed as definition of demand pull -The debate should be examined at the industry & national level -Simple linear models of innovation may no longer be appropriate -Innovation in firms is in a dynamic balance •Basic research affects commercial innovations in complex non-linear ways -There is -Human needs CAVEATS a purely theoretical argument do not prove technology push, only cast doubts on demand pull •The suggested construct for demand pull, cannot be easily measured •This is M&R 24 Freeman 1982 GOAL: -To stimulate "new thinking and research" in the area of RESEARCH METHODS, VARIABLES & SAMPLE -Historical analyses of a -Data is SIZES: number of different innovations ranging from gathered at the industry and national levels on of patents economic and policy analysis plastics to genetics R&D expenditures, number of researchers, number etc. -Data on variables such as R&D expenses gathered across -Statistical analyses using contingency tables, regression nations as well etc. complemented with historical narrative of particular innovations and particular industries RESULTS AND CONCLUSIONS -Long term scientific research contributes to commercial innovation -Technology develops in spurts and fuels a series of incremental innovations -A healthy mix of "pure" invention and application is needed -Strong in-house R&D needed for successful innovations are required with those conducting basic R&D -Larger scale producers have inherent advantages in innovation -Ties R&D to the notion of risk and suggests that fundamental research is always risky -In absence of strong R&D, close ties CAVEATS -The studies are possibility of all correlational studies using different levels of data, there missing organizational level dynamics in is a the study -Prescriptions for organizations are based on industry and national level data -There is no coherency in mixing and matching qualitative data with statistical ang.yses 25 Casey 1 976 GOALS: -Trace the evolution of the high fructose com syrup from research to commercialization (1932 to 1972) -Learn more about the innovation process RESEARCH METHODS, VARIABLES & SAMPLE SIZES: -Case history of a particular innovation -Sample size is obviously 1 -Data gathered from multiple sources: scientific journals, press reports, government and industry data RESULTS AND CONCLUSIONS -Basic research is important to commercial innovation -Basic research should be done in-house -Sources of information can be from outside the industry -Long intervals separate major innovations in mature industries •Confluence of market & technological opportunity offers special rewards CAVEATS is a case history, not a large sample study -The paper does not articulate the details of the data collected -The results are more like opinions of the researcher than results from analysis -Though this case history is said to support TP, the author himself says that "if early market research had shown, the potential, perhaps the results may have been different -This 26 Pavitt 1971 : GOAL; -Study of technological innovation in 20 OECD countries -Understand the impact of industry, government and universities on the innovation process -Provide an analysis which can be used for policy making RESEARCH METHODS, VARIABLES & SAMPLE SIZES: -Combination of statistical analyses on econometric data, surveys and interviews -545 innovations over a 25 year period were studied in 13 different industries -Number of scientific -Level of abstracts and Nobel prized analyzed R&D expenditure over 25 for 20 countries years analyzed for 20 countries -Measures of GNP, per capita income, education levels, govt R&D etc were collected as used regression analysis RESULTS AND CONCLUSIONS -Incremental innovations are driven by market pull factors -Research activity varies across industries -Both large and small firms are innovative -Size of national markets is a weak indicator of innovation strength -University and govt, sponsored research contribute to innovation in firms -Government policies can change direction and pace of innovation CAVEATS and conceptual shortcomings -In some of the analyses, only USA data was used -It is not clear whether currency and inflation adjustments were made -Aggregate level data may not cast light on individual level constructs -The study was not based on any theoretical foundations -Many of the variables have statistical 27 in MIT LIBRARIES 3 9080 00932 7526 197 ^ 97 Date Due NOV. 23199S Lib-26-67