What’s the cost of losing one’s home? Location choice and firm survival following the forced relocation of German machine tool firms after World War 2 Guido Buenstorf and Christina Guenther Max Planck Institute of Economics Evolutionary Economics Group 07745 Jena (Germany) Fax. +49-3641-686868 E-Mail: buenstorf@econ.mpg.de guenther@econ.mpg.de Preliminary – please consult authors before citing or quoting this paper This version: November 2006 This printout: March 9, 2016 Abstract The present paper studies location choice and firm performance in the German machine tool industry. We focus on the forced firm migration from East Germany after World War 2. Our analysis of the location choice of the moving firms supports earlier findings that industry agglomerations attract further entrants. We also find that relocating firms were able to build on their pre-war expertise and outperformed de novo entrants in their new locations. Compared to pre-war firms that stayed at their initial location, relocators were surprisingly similar in their performance. However, both movers and new entrants did not benefit (initially) from agglomeration economies. . Keywords: location choice, firm survival, agglomeration economies, localized knowledge, machine tool industry. JEL classifications: L10, R12, R30 1. Introduction From the end of World War 2 in 1945 to the construction of the Berlin Wall in 1961, numerous firms relocated from the Eastern parts of Germany to West German locations. In this paper, we exploit this natural experiment to shed new light on firms’ location choices as well as the effects of agglomeration economies and localized knowledge on firm survival. We trace the forced migration of firms in the context of the machine tool industry, for which, based on trade publications, we were able to assemble a novel dataset encompassing the complete population of firms active in the entire machine tool industry from 1949 to 2003, a total of 2,222 firms. This dataset allows us to deal with some well-known complication in analyzing the geographical dimension of industry evolution. The impact of agglomeration economies on the location choices of firms has attracted much scholarly attention in recent years (Figuereido et al., 2002; Rosenthal and Strange, 2003; Van Oort and Atzema, 2004). Empirically, agglomeration economies are difficult to disentangle from the effects of regional “birth potential” for new entrants (Carlton, 1979), as both predict that new entry clusters in already agglomerated regions (Buenstorf and Klepper, 2006). By identifying the firms that were forced to give up their East German locations, we can control for the effects of birth potential on location choice (Buenstorf and Klepper, 2005). In the second part of the empirical analysis, we study the post-WW2 performance of machine tool firms. In particular, we are interested in the effects of pre-WW2 industry experience, and whether these are conditioned by the forced relocations. We also investigate the role of agglomeration on firm survival in the industry, particularly how it relates to the effects of prior experience (Klepper, 2004). Our paper contributes to the emerging literature on the regional dimension of firm performance and its relationship to firm capabilities (see. e.g., Klepper, 2006, for a survey). Our findings suggest that most firm capabilities are “portable” in the sense that they are not destroyed by changing the firm’s location. We also find that while existing industry centers were attracting the moving firms, the (initial) performance of both movers and new entrants into the industry did not benefit from the agglomeration. The remainder of the paper is organized as follows: In the next section, we discuss the theoretical background of the analysis and present related earlier findings. Section 3 introduces 1 the historical context of our analysis. It also contains a detailed description of the data on which the econometric analysis is based. Our econometric results regarding the location choices of the moving firms and the survival of machine-tool firms are presented in section 4. The discussion of our findings in section 5 concludes the paper. 2. Theoretical Background Choice of location Regional populations of firms in an industry depend both on new entry and on the survival of the entrants. In this paper, we study both entry and survival of firms in one of the defining industries of the German economy, the machine tool industry. Our study builds on a substantial prior literature. Theories of economic geography envision a self-reinforcing process in which entrants are drawn to agglomerated areas because of the benefits they confer, thereby reinforcing patterns that may initially occur by chance. An econometric literature has developed that analyzes actual location choices of both domestic entrants (e.g., Carlton, 1983; Bartik, 1985; Hansen, 1987) and foreign-owned firms in a host country (Smith and Florida, 1994; Head et al., 1995, Guimaraes et al., 2000). Both types of analysis confront serious conceptual issues. The entry of new firms cannot be expected to be neutral to the “roots” of the founder(s) and to fully follow the expected profitability of operations in the respective regions, as they are determined on the basis of attributes of regions and not the entrants themselves. The importance of the geographic roots that entrants possess has long been recognized (Carlton, 1979). However, it is not easily accounted for in the empirical work. One strategy is to restrict the analysis to the choice of location within a given region, assuming that all entrants originated within that area (Rosenthal and Strange, 2003). Alternatively, one can try to control for the home region of new entrants, which obviously presupposes the availability of the respective information. A pioneering study in this context is due to Figuereido et al. (2002), who exploit a matched employee-employer dataset to study the location choices of entrepreneurial startups in Portugal. These authors find that while entrepreneurs tended to locate in their home regions, agglomerative forces exerted a greater pull on attracting movers than inducing firms to remain in their home regions. Movers were presumed to know less about regions than firms originating from them, suggesting that agglomeration 2 benefits were more salient for firms with less regional knowledge. Buenstorf and Klepper (2006) similarly find that agglomeration had little effect on whether or not firms located in their home region, but it did affect the minority of firms that located elsewhere. The long-run implications of these attracting forces of agglomeration were nonetheless limited, because they predominantly affected weaker startups with no direct industry background, whose performance was inferior to the less affected diversifiers and spin-offs. Geographic roots are much less likely to affect the location choices for branch plants of existing (possibly foreign) firms. These, however, are much less informative as regards the role of agglomeration. Frequently, branch plants are only production sites, for which many of the expected benefits of agglomeration (such as knowledge spillovers) are of little import. Likewise, empirical work has found that decisions for locating branch plants may be dominated by rather specific factors. For example, Japanese automotive suppliers have been found to locate their U.S. plants close to Japanese automakers’ plants rather than in centers of automobile production more broadly (Smith and Florida, 1994). Lacking systematic data on the geographic background of all entrants, in the analysis of location choice we restrict our attention to firms that were forced to move their operations due to a drastic exogenous shock caused by the end of WW2. These firms are of two kinds. Either they were originally based in the far Eastern regions that after the war were no longer parts of Germany and where the German population was forced to leave altogether. Or they were located in East Germany, where the emerging regime of state socialism made the operation of a private manufacturing firm next to impossible, causing numerous firm owners to escape to West Germany as long as this was still possible (i.e., before the erection of the Wall in 1961). Similar to branch plants, we expect the location choices of these moving firms to be unaffected by the firms’ geographical roots. Thus, they should provide us with a good measure of how important agglomeration was as an attractor of movers. Beyond this, we can study into the specifics of the agglomeration effects. We plan to extend this analysis to study in detail the level (if any) at which localization economies are effective. To this purpose, we are presently disaggregating the industry data into several levels of submarkets (defined by the various materials processing operations for which machine tools are made). Finally, we cannot rule out that location choices were confounded by non-systematic factors. In particular in the first years following WW2, conditions in Germany were difficult and firms may have been severely constrained in where they could move (for both administrative and rather practical reasons, such 3 as plant availability). Accordingly, we distinguish between the location choices of early and late movers. We expect the latter to yield a cleaner measure of agglomeration effects. Firm survival Previous empirical work has shown that the survival of firms in an industry is systematically conditioned by pre- and post-entry experience. As regards pre-entry experience, both pre-existing entrants diversifying into related industries and spin-offs started by former employees of industry incumbents have regularly been found to outperform competitors with lesser backgrounds (cf., e.g., Helfat and Lieberman, 2002, for a survey). Furthermore, it is a widely recognized stylized fact of industry evolution that the exit hazard of incumbents tends to decrease with post-entry experience. An unresolved issue in this context is whether the performance effects of industry experience are localized, i.e. whether experience at the present location has a stronger performance effect than experience accumulated elsewhere. For example, such differential effects would be expected if experience affected performance mostly through the membership in relevant networks and the knowledge of specific suppliers, customers, service providers etc., which would plausibly be expected to have a significant localized component. In the present context, they would translate into a weaker performance of moving firms relative to those competitors that also had pre-WW2 experience, but which were not forced to change their location. On the other hand, unless the effects of post-entry experience were perfectly localized, the movers would still be expected to perform better than firms newly started after WW2.1 In addition to the localization of experience effects, we directly study the effects of agglomeration on firm performance. In this, we build on recent work in industry evolution that has investigated the relationship between pre-entry performance and agglomeration. Klepper (2004), in studying the historical automotive cluster in Detroit, finds that once differences in preentry background were controlled for, the performance of firms located in Detroit was undistinguishable from that of other firms. In contrast, spin-offs entering in Detroit were particularly successful. Similar findings are obtained by Buenstorf and Klepper (2005) in the context of the historical U.S. tire industry. They find that performance effects of (intra-industry) agglomeration were limited to the center of the industry in Akron (Ohio), while outside of Akron, 1 This last prediction is further reinforced by potential selection bias in the group of moving firms: the weakest potential movers may have refrained from starting anew in the West. 4 firms located in industry agglomerations were not significantly outperforming firms in more remote locations. As in the Detroit case, the effects of being based in Akron were furthermore limited to diversifiers and spin-offs, while startups entering in Akron had average performance. Both the Detroit and Akron cases suggest that the performance of industry clusters was mostly due to the distinctive pre-entry backgrounds of the firms located there. In the present paper, we explore the complementary possibility that firms require capabilities to benefit from agglomeration. While our data do not allow (yet) for distinguishing firms by their pre-entry experience, we can differentiate the effects of agglomeration according to post-entry experience. In particular, we investigate whether there are any differences in the benefits of agglomeration between experienced firms and new entrants, as well as between movers and regional incumbents within the group of experienced firms. 3. The Empirical Setting: The German Machine Tool Industry, 19492003 The machine tool – the product Not only within the mechanical engineering industry a high degree of heterogeneity can be observed, ranging from agricultural machinery and robotics to mining equipment and lasers, but the same holds for its subdivision, the machine tool industry. But despite its high diversity machine tools as such have the following features in common. Machine tools are defined as “… mechanized and more or less automated production equipment which, by movement between tool and workpiece, produces a given form or change of the workpiece.” (DINNormblatt 69651) Looking at the machines in more detail two machine types have to be distinguished, metal cutting and metal forming tools. Based on this distinction lasers, machining centres, transfer, turning, drilling, grinding, milling, boring, honing, lapping, polishing, sawing, gear cutting, and finishing machines can be assigned to the first category. The second class consists of hammers, presses, forging, bending, folding, straightening, shearing, punching, notching, and wire working machines. Their relative importance in the German machine tool industry is about 2/3 to 1/3 in 5 favour of metal cutting machines; a relation that has not fundamentally changed since 1949 (Schwab, 1996). Based on the above definition, the roots of the contemporary industrial machine building go back to Henry Maudslay and his invention of the support turning machine in Great Britain in 1794. Its major contribution was the substitution of manual work force by a mechanical engine. The origin of the German machine tool industry dates back to the mid 19th century, but the role as a serious competitor on the world market could not be established before the turn of the century. Even though, the major impetus for the industry came from England, the United States led the machinery market, but not without being increasingly challenged by the high quality standards of German manufactures during that time. Thus, the international fight for supremacy on the world market was mainly carried out by Germany and the United States from the beginning of the 19th century. Whereas the U.S. established a strong export position by the universality of their machine tools2, German manufacturers used their technical know how to revise and optimize American machine concepts. Thus, they were no less competitive and gained leadership in 1910, even though the major inventions were initiated in the U.S.. The two World Wars strengthened the American position, and Germany lost its dominance mainly because of the destruction of their plants and engineering drawings (Schwab, 1996), and more profoundly its dismantling after World War 2 (Mazzoleni, 1997). In the aftermath of World War 2, the world’s machine tool industry grew tremendously at a pace of 10per cent p.a. from 1950-1970 as the European manufacturing industry had almost entirely been destroyed during war times. Equipment and machines were needed everywhere for reconstruction purposes, which basically left no space for price considerations. During the 1950s and 1960s the introduction of numerical controls (NC) marked a technological upheaval in the industry. From then on the badly needed production of small and medium sized series of identical components / machines and virtually unlimited exact replication became possible through the implementation of exchangeable pre-programmed procedures on punched tapes (Schwab, 1996).3 This radical innovation brought about major turbulences for the established firms and their product lines based on “outdated” competences. Especially the American manufactures were hard 2 This is in contrast to other international technical improvements, which were rather limited in their scope of applicability. 3 The technology was developed by the cooperation of US Air Force, MIT and the Parson Corporation around 1950 in the search for a technology to produce complex components more precisely under time and cost-saving considerations (Arnold, 2003). 6 hit, and only 5 out of the 15 leading companies on the U.S. market were able to keep their position; the others either lost market share, were acquired, taken over, or left the market all together (Arnold, 2003). As a consequence of this turmoil Germany, the new entrant Japan, and the Soviet Union were able to take over the lead. The British machine tool industry also suffered, and increasingly had to shift to imports to satisfy domestic demand in the 1970s. Even though the emergence of numerically controlled machines caused serious problems to machine producers on a world-wide scale, the advantages of its implementation, namely its flexibility and cost-efficiency, were highly needed and appreciated in times of general slow economic growth in industrialized countries. The major drawback of the new technology was the high cost for the controlling system and the programming. This inefficient price-output ratio was the main reason for a rather moderate implementation of NC machines in Europe compared to the US.. until the 1960s. European manufacturers felt no need to adopt this new technology, because the demand for conventional machine tools profited from the persistent economic boom; rationalization and cost-saving measure were not undertaken by German manufactures during those prosperous days. The real breakthrough of the NC machines came with the subsequent integration of minicomputer devises (CNC) in the 1970s and 1980s. This development launched a next restructuring process of the sector implying again a reshuffling of the leading companies. The increased universality of the machines due to these easily exchangeable software programs and a serious price drop until the 1980s made CNC machines more attractive on a world-wide basis. This serious price cut was initiated by Japan’s aggressive entry into the NC market by offering machines of U.S. standard for half or one-third of their competitors price (Mazzoleni, 1997). This enabled Japan to gain world leadership in this industry in 1981 despite the initial technological backlog compared to the U.S.. The diffusion of NC machines in Germany did not step in until the 1980s. The main reason for this was the internal structure of the German machine tool market. Most of the customers in Germany were small and medium sized enterprises, who were not able / willing to go for the immense investment of a NC machine. Thus, German manufactures kept on producing conventional machine tools on their operators´ demand (Laske, 1995). This “ignorance” of German manufacturers towards the new technology and the accompanied leeway in experience as well as the reluctance to implement productivity enhancing and cost saving measures was decisive for the Germany`s machine tool industry to get into a crises in terms of production, exports, and employment at the beginning of the 1990s. As depicted in Figure 1 overall production, export, and employment increased continuously 7 throughout the period of investigation until the beginning of the 1990s, and recovered from the crises from the mid 1990s onwards. According to industry experts, an increased innovative activity, decreasing unit labour costs in combination with increasing sales prices, as well as an increasing importance of service and maintenance4 are responsible for the recovery of Germany’s machine tool industry (Deutsche Industriebank AG, 2004). 12000 10000 8000 6000 4000 2000 19 49 19 52 19 55 19 58 19 61 19 64 19 67 19 70 19 73 19 76 19 79 19 82 19 85 19 88 19 91 19 94 19 97 20 00 20 03 0 Years Production (mill. Euro) Exports (mill. Euro) Employment (in 100) Figure 1: The German machine tool industry: production, exports, and employment; 19492003 (VDW, 2005) Besides the traditionally strong technological competences, the regional distribution of typically medium sized enterprises has to be pointed out as idiosyncratic for the industry. The regional distribution of German machine tool producers has a long tradition with its main sites in BadenWürttemberg, North Rhine-Westphalia, and Bavaria, where 45 per cent, 19.9 per cent, and 13.2 per cent of all companies were resided in 2003 respectively (VDW, 2005). These regions have not always been the only agglomerations within Germany, however. Especially the importance of Eastern Germany decreased tremendously after World War 2. Before the war 50 per cent of all establishments were located within the Eastern part, 4 A field in which Germany has strong competences due to its excellent technological know how. 8 predominately in Saxony in the surrounding of Chemnitz, Leipzig, and Dresden (Schwab, 1996). The Eastern manufacturers were in a particularly difficult situation after WW2. First, the Soviet Union pursued a much stricter regime of reparation payments and plant demolition in its occupation zone than the Western allies. Second, in the emerging socialist state with its centrally planned economy, private firm owners were mostly expropriated, and government-controlled managements were installed. Thus, there was hardly any room left for private entrepreneurial initiative. Still further East, in those regions that after the war were no longer part of Germany, the German population had to leave altogether. The consequences of these developments are still visible in the present-day industry. In 2003, Saxony and Thuringia did not contribute more than 3.2 per cent and 4.1 per cent, respectively, to industry output. 88 per cent of total production is supplied by the three big agglomerations with the following shares: 52.8 per cent in BadenWürttemberg, 20.2 per cent in Bavaria, and 15 per cent in North Rhine-Westphalia in 2003. The historical development outlined above builds the background for the construction of the database at hand. On the basis of the buyer´s guide “Wer baut Maschinen” (“Who makes machinery”) issued annually by the Verein Deutscher Maschinen- und Anlagenbau (VDMA) since 1932, detailed data about all machine tool producers being active within the referred time period were collected. For the dataset at hand, the following information was gathered for the years 1949 until 2003: name and address / location of each firm being active within at least one of the relevant technology categories (metal forming or metal cutting machine tools).5 In addition to those data, the catalogues issued between 1936 and 1943 were used to first of all identify those 42 firms that moved from East Germany to the Western part and to differentiate between experienced firms, i.e. firms already founded before 1949, and new entrants established after 1949. In addition, regional population data were collected in order to account for urbanization economies. At present, we can only use population data for the year 2000 (at the level of Germany’s 97 Raumordnungsregionen). 6 5 The catalogues for the time periods 1932-1935, and 1944-1948 as well as the year 1952 cannot be consulted for the investigation, as they were either destroyed during war times, not issued in the direct aftermath of WW2, or were not stored, respectively. Missing values for 1952 are approximated by the values reported for 1951. 6 We are currently constructing a panel of historical regional population data. Because of changes in the administrative districts in most Länder, and because all regional data are administered by the Länder authorities and have to be aggregated to be useful, we cannot yet report results using these data. Their availability will also allow us to include fixed effects in the estimation to control for regional heterogeneity not picked up by our agglomeration measures (cf. Buenstorf and Klepper, 2006). 9 4. Econometric Analysis Location choices of relocating firms To study the location choices made by the 42 firms who had to give up their East German locations, we adopt the conditional logit framework dating back to Carlton (1983), which is commonly used in this kind of analysis. This setup estimates parameters to maximize the likelihood for each entrant to have chosen their actual location. We assume that firms chose their new location among the 97 German Raumordnungsregionen according to regional characteristics.7 In particular, we are interested in whether regions that already had a larger population of machine tool firms also attracted more of the moving firms. Our measure of such intra-industry agglomeration effects is the percentage of all active machine tool firms located in the respective regions, with percentages pertaining to the period preceding entry of the respective firm.8 To allow for constraints in the location choices of the earliest movers, we interact this variable with dummy variables distinguishing early (pre-1951) from late (1951- 1962) movers.9 The results of this estimation are reported as Model 1 in Table 1. Both early and late movers are attracted into the existing centers of the industry. The effect of the existing firm population is slightly stronger for the early movers, but this difference is not statistically significant. In any case, our concern that early movers were forced to make more haphazard location choices seems unfounded. In Model 2, we add a control for urbanization effects. As was indicated in the previous section, for reasons of data availability, we can only proxy urbanization by current (2000) values of regional population. Accordingly, we refrain from interpreting the coefficient estimates of the urbanization measure, but just use it as a control. Including this control results in substantial changes to our findings, as can be seen in the results reported as Model 2 in Table 1. The effect of intra-industry agglomeration on the location choice of early movers is reduced by more than 40 per cent, but remains significant (at the .05 level). The effect on late movers even turns (insignificantly) negative. These (preliminary) findings indicate the importance of accounting for urbanization as well as localization economies, which will be a prime objective of future versions of this paper. 7 All but 8 regions were home to at least one machine tool producer. Presumably, these regions offered poor conditions for entrants. To check the robustness of our findings, in particular vis-à-vis the independence of irrelevant alternatives issue relevant in the conditional logit framework, we repeated the analysis excluding them. Doing so did not result in qualitative changes in the results. 8 Regional firm population data for the year 1948 were approximated by the respective values of 1949. 9 This distinction was chosen to balance the number of firms in each categories. 10 Firm survival We adopt survival in the machine tool industry (aggregated over all submarkets) as an indicator of firm performance. This choice of performance criterion is mandated by the data, since neither financial information nor sales nor employment statistics are available for the entire population of firms and the complete time period under investigation. It is justified by opportunity cost considerations, i.e. even if firms voluntarily left the industry (rather than exiting through bankruptcy), we expect this decision to reflect relatively poor performance or at least the expectation thereof. In the subsequent analysis of firm performance, we include data on the entire post-WW2 firm population of 2,222 firms. We use the parametric Gompertz specification of survival models, which has been employed in similar contexts before (Klepper, 2002; Buenstorf and Klepper, 2005). 360 firms remained active in the industry through the final year of observation (2003); they are treated as censored exits in the survival analysis. We initially estimate a model specification that only considers the performance effects of pre-WW2 industry experience, restricting the age-dependent part of the hazard to be identical across the different types of firms (Model 3 in Table 2). Based on prior findings for other industries, we expect pre-war experience to lower the post-war hazard of exiting the machine tool industry. To the extent that the performance-enhancing effect of experience is caused by localized knowledge, it should be weaker for the moving firms. In line with these expectations, we find that new entrants are more than twice as likely to exit as the non-moving firms with preWW2 experience, which we use as our reference group. Movers also have a higher exit hazard than those that remained at their pre-war location. However, this effect is much smaller (about 15 per cent) and it is statistically insignificant. To see how the exit hazard varied over time, we next give up the constraint that the agedependent part of the hazard be identical for all types of firms (Model 4). In this specification, two coefficients are obtained for each independent variable: a time-independent, which measures the effect of the variable at the time of the first post-war observation for the firm, and a timedependent, which indicates the subsequent development of the effect. The estimation results provide further information on the differences between the various types of firms (this is corroborated by the substantial increase in the log-likelihood of the model). We find that the differences between the types of firms were strongest right after (re-) entry. Subsequently, the types of firms converge in their hazards. The new entrants in particular have a significant decline 11 in their hazard of exit as they gain post-entry experience. In contrast, the decline is much less pronounced for the movers, while the hazard of the non-moving experienced firms (as the reference group) is even slightly increasing. Taken together, these findings suggest that the moving firms were mostly able to transfer their capabilities to their new locations. Their performance right after re-entry was inferior to that of the regional incumbents, but it was much superior to the new entrants. Finally, we study how regional industry agglomerations affected the performance of the different types of firms. In Model 5, we add a measure of the percentage of machine tool producers located in the same region as the target firm to the set of variables explaining firm performance. Analogously to the above analysis of location choice, we control for the effects of the regional population. We find that firms located in industry centers performed better than firms located elsewhere. This effect narrowly misses significance at the .05 level and is indicative of intra-industry (localization) economies of agglomeration. The other variables in the analysis are unaffected by the changed specification. In Model 6, we interact the agglomeration effect with the dummy variables denoting the type of a firm. This specification shows that only those experienced firms that remained at their pre-war location had a significant performance effect of agglomeration. This finding is consistent with the interpretation that agglomeration economies operated through localized knowledge and/or integration into local networks, while firms less familiar with the regional environment had little to gain from agglomeration. We probe a little deeper into this issue in the subsequent Model 7, which allows the effects of agglomeration to vary both across types of firms and over time. The results from this model indicate that initially, the movers (which all lack localized knowledge, while some or all of the new entrants may have had local roots) may even have been harmed by the presence of other machine tool firms, with the new entrants benefiting less than the regional incumbents. None of these differences is significant at conventional levels, however, so that they can only be interpreted as suggestive. 5. Discussion In recent years, empirical studies of industry evolution have started analyzing how the same industry developed in different countries (Simons, 2001; Buenstorf, 2005; Cantner et al., 2006). This work largely yielded similar developmental patterns in the alternative countries. It provides 12 evidence that the evolution of industries is largely shaped by technological characteristics rather than country-specific institutional factors. The present paper adopted a slightly different approach. We departed from a striking particularity of a specific national industry, the forced migration of German machine tool producers after World War 2. We did not study how this particularity changed the overall pattern of evolution relative to other countries. Rather, we regarded it as a natural experiment providing us with an exceptional opportunity to study the determinants of location choice, and also to assess the role of industry experience and agglomeration on firm performance. Our preliminary findings on the choice of location suggest that agglomeration economies were a significant determinant of where firms located. This result is in line with earlier work; it adds to the small number of findings based on studies that were able to control for the influence of firms’ geographic roots. As regards performance, the study indicates that firm capabilities are mostly “portable”. In light of the forced relocation and the need to set up new facilities from scratch, the moving firms are surprisingly similar in their performance to the experienced firms that did not have to move. In contrast, they strongly differ in performance from those post-war entrants without pre-war industry experience, which presumably possessed much less in terms of capabilities. Perhaps surprisingly given their tendency to locate in agglomerated regions, we find that movers, as well as new entrants, had little if anything to gain from agglomeration. This result resonates with earlier findings that put the effects of agglomeration into perspective by accounting for differences in firm background. It suggests that “absorptive capacities” (Cohen and Levinthal, 1990) based on localized knowledge and/or general capabilities are required to benefit from the regional presence of other firms in the same industry. In order to fully appreciate our findings on type-specific effects of agglomeration, however, we will need further information on the pre-entry background of the new entrants. For example, it would be helpful to distinguish entrants with a regional background and study how their performance was affected by regional conditions. Some of the new entrants will have had local roots. We would expect that these regional entrants were better able to exploit the regional conditions, which is consistent with our finding that in their early years, the group of new entrants benefited more from agglomeration than the movers (which by definition lacked these local roots). The next steps in this project are (i) to use better proxies of inter-industry (urbanization) effects of agglomeration; (ii) to exploit information on the activities of the machine tool firms in 13 the various submarkets of the industry; and (iii) to gain information on pre-entry experience, significant events during industry incumbency (such as changes in leadership), as well as more detailed information on the reasons of exit (in particular, whether or not exit was due to merger or acquisition) for the individual firms. With the help of this information, we hope to better understand the dynamics of one of the defining industries in the 20th-century German economy, and to add to our knowledge about industry evolution in general. 14 References: Arnold, H. M. 2003. Technology Shocks: Origins, Managerial Responses, and Firm Performance. Heidelberg: Physica. 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Frankfurt. 16 Table 1: Choice of locations of moving firms Firmshare * early Firmshare * late Model 1 .174*** (.026) .147*** (.036) Population * early Population * late No. of observations (firms) Log-likelihood P > chi2 Pseudo-R2 4074 (42) -174.698 .000 .091 Model 2 .099** (.042) -.040 (.063) .673** (.314) 1.308*** (.000) 4074 (42) -161.428 .000 .160 Note: Standard errors in parentheses; *** p≤.01; **p≤.05; *p≤.10 17 Table 2: Firm survival in the post-WW2 German machine tool industry (Gompertz specification) Model 3 -3.283*** (.058) .142 (.151) .860*** (.0652) Constant Mover Entrant Model 4 -4.054*** (.102) .399 (.321) 1.827*** (.109) RegPop RegFirms Model 5 -4.268*** (.127) .376 (.366) 1.846*** (.124) .000*** (.000) -.011* (.006) RegFirms * NoMover RegFirms * Mover RegFirms * Entrant Years -.019*** (.002) Mover * Years Entrant * Years RegFirms * NoMover * Years RegFirms * Mover * Years RegFirms * Entrant * Years No. of observations (failures) Log-likelihood P > chi2 2222 (1862) -3817.465 .000 .018*** (.004) -.010 (.012) -.055*** (.004) 2222 (1862) -3737.787 .000 .018*** (.004) -.010 (.013) -.055*** (.005) 2222 (1862) -3725.528 .000 Model 6 -4.211*** (.139) .299 (.451) 1.779*** (.143) .000*** (.000) Model 7 -4.323*** (.180) .326 (.573) 1.846*** (.182) .000*** (.000) -.018* (.010) -.005 (.017) -.008 (.033) -.009 (.007) .018*** (.004) -.009 (.013) -.054*** (.005) .004 (.060) -.003 (.008) .023*** (.006) -.011 (.019) -.055*** (.007) -.0007 (.0006) 2222 (1862) -3725.071 .000 -.0008 (.003) -.0008 (.0005) 2222 (1862) -3723.048 .000 Note: Robust standard errors in parentheses; *** p≤.01; **p≤.05; *p≤.10 18