25 ppmr / September 2008 Perceived Environmental Uncertainty in Public Organizations An Empirical Exploration Rhys Andrews Cardiff University ABSTRACT: Contingency theories suggest that managerial perceptions of environmental uncertainty are associated with organizational outcomes. Higher perceptions of uncertainty lead managers to pay increased attention to the strategies, structures, and processes that are likely to improve organizational performance. However, to date, there is very little evidence on the level of perceived environmental uncertainty (PEU) among managers within public organizations. This paper explores the relation among management, organizational, and strategic factors, and PEU in 48 U.K. local government service departments, before analyzing the impact of PEU on organizational effectiveness. The results show that consultation with citizens, organizational inertia, and strategic stance are all associated with PEU and that uncertainty about the external political environment is linked with better service performance. Theoretical and practical implications are discussed. KEYWORDS: empirical analysis, perceived environmental uncertainty, performance, public organizations, United Kingdom R esearch on managerial perceptions of organizational environments has been a prominent feature of management and organizational studies for many years (Boyd, Dess, & Rasheed, 1993; Dess & Beard, 1984; Doty, Bhattacharya, Wheatley, & Sutcliffe, 2006; Lawrence & Lorsch, 1969). However, to date, there has been scant systematic investigation of the perceived environment in public organizations, despite mounting evidence that organizational environments are a statistically significant determinant of public service performance (see, e.g., Andrews, Boyne, Law, & Walker, 2005; Meier & Bohte, 2003). In particular, perceived environmental uncertainty (PEU) among managers in the public sector has received no Public Performance & Management Review, Vol. 32, No. 1, September 2008, pp. 25–50. © 2008 M.E. Sharpe, Inc. All rights reserved. 1530–9576/2008 $9.50 + 0.00. DOI 10.2753/PMR1530-9576320102 25 26 ppmr / September 2008 attention, even though it is recognized to be a critical issue in management theory (Buchko, 1994; Duncan, 1972; Milliken, 1987). This article seeks to address this gap in the literature on public organizations by exploring PEU in local government service departments. PEU is a product of managers’ perceptions of the combined complexity, instability, and unpredictability in the organizational environment. An environment that is perceived to be complex, changing rapidly, and difficult to predict creates high levels of uncertainty about the appropriate organizational responses to external circumstances. As a result, managers are forced to consider carefully the impact of their actions and decisions. PEU is thus a concept chiefly associated with contingency theories (Donaldson, 2001; Miles & Snow, 1978). Scholars such as Chandler (1962) and Child (1972) have claimed that managers make strategic choices based on the assessment of the environmental conditions that they face. Miles and Snow (1978) later refined this argument to suggest that organizational performance is dependent on the adoption of a consistent strategy for aligning an organization with its environment. The successful adoption of the correct strategy in these circumstances was intimately related to perceptions of environmental uncertainty among managers. High levels of managerial PEU would reflect a heightened sensitivity to the external constraints surrounding an organization and thereby be associated with strategies and structures that were likely to maximize performance. By contrast, low levels of PEU reflect an underestimation of organizational contingencies that would be revealed in a mismatch between strategy, structure, and environment, ultimately resulting in poor performance. The significance of the strategy–environment link for organizational effectiveness thus makes the extent of perceived environmental uncertainty a critical concern for public management scholars. Indeed, evidence from private organizations suggests that higher levels of PEU are associated with increased environmental scanning and innovation, which, in turn, lead to better organizational outcomes (Daft, Sormunen, & Parks, 1988; Ozsomer, Calantone, & Di Benedetto, 1997; Russell & Russell, 1992). Environmental Uncertainty in Public Organizations Concepts and measures of environmental uncertainty have conventionally focused on how key organizational stakeholders perceive certain features of their organizational environments. Although such subjective measures of the environment can be criticized for their lack of correspondence with more objective archival measures (Tosi, Aldag, & Storey, 1973), it is only by using such perceptual measures that researchers can accurately tap the linkages between uncertainty and managerial choices proposed by contingency theorists. These unique aspects of Andrews / Perceived Environmental Uncertainty 27 organizational behavior lie beyond the reach of aggregated secondary data drawn from archival sources. Indeed, managers’ perceptions of the environment are in many respects more important than the actual environment, as it is perceptions of external circumstances rather than objective indicators of those conditions that organizational decision makers act on (Weick, 1969). Classic work on organizational environments (Duncan, 1972; Jurkovich, 1974; Terreberry, 1968) suggests that managerial perceptions of the simple–complex and static–dynamic dimensions of the environment are the most significant determinants of the perceived uncertainty of external circumstances, which makes it especially important to investigate the combined effects of perceived complexity and dynamism when considering PEU. The combination of these dimensions also has special relevance for the conceptualization and measurement of PEU in public organizations, where the complexity, instability, and unpredictability of the environment they confront are arguably defining characteristics of their publicness (see Boyne, 2002). A conceptual model of PEU in public organizations can thus be developed by drawing on the literature on environmental complexity and dynamism. Environmental Complexity and Dynamism Environmental complexity is a product of the relative heterogeneity and dispersion of an organization’s domain (Dess & Beard, 1984). Heterogeneity is present when organizations grapple with a wide range of markets and services, which increases the need for information-processing skills and systems, thereby placing greater strain on the resource capacity of an organization (Dutton, Fahey, & Narayanan, 1983). Organizations providing services across a broad domain face a dispersed environment. In these circumstances, the costs associated with strategic management and strong partnerships with suppliers, customers, and other stakeholders are high (Aldrich, 1979). By contrast, the benefits from interdependence (such as multioutput production) accrue more quickly when services are concentrated in a narrow domain (Starbuck, 1976). The environment faced by public organizations is especially complex because they are required to meet the demands of a diverse range of (often widely dispersed) client groups and external stakeholders. Perceived complexity in the public sector is, therefore, likely to reflect managers’ assessments of the relative homogeneity and dispersion of the service users, citizens, and external agencies with whom they interact. Environmental dynamism is a product of the rate of change in external circumstances (instability), and the unpredictability (or turbulence) of that change (Terreberry, 1968). Organizations typically seek to cope with environmental turbulence and instability through better strategic management (Dess & Beard, 28 ppmr / September 2008 1984). In the public sector, policymakers have claimed that the impact of environmental dynamism can be reduced through improved planning and corporate coordination (Office of Public Services Reform, 2002). Although major shifts in the socioeconomic and external political environments of public organizations are often known in advance (e.g., demographic change and new policy initiatives), perceived deviations from expected environmental changes are still likely to have an important influence on public organizations. For example, environmental jolts, such as natural disasters or political crises, may place additional burdens on an organization’s capacity to perceive and manage uncertainty (Meyer, 1982). Daft (2001) argued that PEU is the product of managers’ perceptions of environmental complexity and dynamism in combination. Perceptions of complexity increase uncertainty by placing greater demands on the ability of managers to interpret how to meet potentially conflicting demands within the environment. An unpredictable and rapidly changing environment intensifies the need for managers to manage the circumstances they confront proactively. Taken together, the highest level of PEU possible is, therefore, found when managers perceive high levels of complexity, instability, and unpredictability. According to contingency theorists, managers who are able to recognize high levels of complexity and dynamism in the environment are more likely to manage uncertainty better than those who do not. For instance, Downey and Slocum (1975) argued that cognitive biases associated with low tolerance of ambiguity lead to the underestimation of environmental complexity, instability, and unpredictability, which, in turn, is likely to result in poor decision making. In the public sector, the increasing interconnectedness of demographic diversity and change, as well as the growth of multiorganizational and multigovernmental networks, places ever greater burdens on public managers to perceive and manage uncertainty. This complexity makes it particularly important for researchers to systematically theorize, measure, and investigate PEU in public organizations. Harris (2004) claimed that a successful conceptualization of the organizational environment should meet four key criteria: empirical testability, temporal validity, international generalizability, and predictive validity. The framework for exploring PEU that I present here is empirically testable, because suitable measures of managerial perceptions of environmental complexity, instability, and unpredictability are available or can be developed and applied. It exhibits temporal validity because PEU in the public sector is an issue of perennial importance, which also means that the framework is generalizable to public organizations in other nations where managers are also likely to experience high levels of environmental uncertainty. Furthermore, it is capable of demonstrating predictive validity in that PEU can be modeled on a host of relevant organizational inputs, outputs, and outcomes. Andrews / Perceived Environmental Uncertainty 29 Exploring PEU in Public Organizations Internal Factors Management Buffering their organizations from environmental shocks is an important task for public managers (O’Toole & Meier, 1999). However, excessive buffering may lead managers to run the risk of becoming too insulated from external circumstances, potentially causing environmental misperception. This buffering effect makes managerial efforts to learn about and exploit opportunities within the environment a critical task. One important way in which public managers can accomplish this task is through the cultivation of collaborative governance with a range of relevant external actors and agencies (see, e.g., Agranoff, 2005; Meier & O’Toole, 2003). Collaborative governance arrangements are characterized by multiple, overlapping partnerships between various combinations of public, private, and voluntary organizations. Proactive management of these arrangements is likely to reflect a greater sensitivity to the external context spurred by a deliberate strategy of “high uncertainty avoidance” (Goerdel, 2006, p. 353), which leads to my first hypothesis: H1: Collaborative governance is positively related to PEU. Public organizations require the support of external stakeholders other than their partners in collaborative governance arrangements. In particular, local citizens may dictate agenda setting or constrain the range of alternatives available to policymakers (Elkins & Simeon, 1979). Better communication with citizens can help generate trust and confidence in public organizations and increase responsiveness to local needs by improving the quality of information on customer preferences (Berman, 1997; Swindell & Kelly, 2000). By managing outward in this manner, managers may be able to gain a broader sense of the variety of external contingencies faced by their organizations. Hence: H2: Consultation with local citizens is positively related to PEU. Organization Organizations that are unable to manage their external environment are arguably plagued by internal inertia, that is, a general inability to break free from outdated or inadequate routines. Such a lack of responsiveness is often associated with hierarchical organizational structures. Centralized decision making, in particular, has been linked with reliance on complicated information systems and an overall preference for internal rather than external communication, thereby preventing swift or effective adjustments to environmental change (Katz, 1982). By contrast, 30 ppmr / September 2008 less hierarchical organizations may be able to draw on a wider range of informal channels of internal and external information to both respond to and shape environmental change. For example, in the public sector, street-level bureaucrats (e.g., teachers, police officers, and social workers) have more regular contact with clients and are, therefore, able to exercise considerable discretion in their dealings with them (Lipsky, 1980). As a result, managers in decentralized organizations may be more likely to perceive high levels of environmental complexity and dynamism. Thus, the third hypothesis is: H3. Decentralized decision making is positively related to PEU. A further aspect of organizational inertia that may affect managerial perceptions of the environment is the relative level of autonomy of their organization from bureaucratic control. Autonomy can give organizations greater leeway in how they choose to respond to external challenges, enabling them to buffer threats and exploit opportunities as they see fit. However, high levels of autonomy may make it less urgent for managers to perceive accurately and respond appropriately to environmental variations, as they are likely to be subjected to fewer regulatory pressures from political principals. Indeed, high levels of organizational autonomy in some public organizations have been associated with insular decision making and managerial complacency (Rainey & Steinbauer, 1999). Therefore: H4: Organizational autonomy is negatively related to PEU. The recent performance of organizations may be linked with relative inertia due to its impact on the efforts of decision makers to effect strategic change (Ketchen & Palmer, 1999). Managers’ perceptions of organizational performance are, therefore, likely to be related to the levels of PEU that they experience. If managers perceive their organizations to be underperforming, they may have a keener sense of the need to develop and implement innovative strategies in response to external contingencies. By contrast, perceptions of high performance may prevent managers from recognizing serious environmental threats (Staw, Sandelands, & Dutton, 1981). As a result: H5: Perceived performance is negatively related to PEU. Strategy Miles and Snow’s (1978) classic strategy typology associates different strategic stances with varying managerial assumptions regarding the environment. Prospecting organizations “almost continually search for market opportunities, and . . . regularly experiment with potential responses to emerging environmental trends” and so perceive the environment to be constantly changing (p. 29). By contrast, defending organizations “devote primary attention to improving the efficiency of their existing operations” and, therefore, concentrate on optimizing performance Andrews / Perceived Environmental Uncertainty 31 on core tasks (p. 29). Consequently, they tend to view the environment as simple and stable because their focus is on refining internal operations. Reacting organizations, however, rarely alter their managerial processes “until forced to do so by environmental pressures” and thus regard the organizational environment as unpredictable (Miles & Snow, 1978, p. 29). The varying approaches to assessing and managing the environment associated with these different strategies lead to: H6: Strategies of prospecting and reacting are positively related to PEU, but a strategy of defending is negatively related to PEU. Organizational Effectiveness Managers’ perceptions of environmental uncertainty are likely to reflect the extent to which they understand how the external degree of difficulty constrains their ability to deliver services. In such circumstances, managers may be more committed to enhancing the ability of their organization to cope with exogenous pressures, leading them to avert the potential pitfall of threat-rigidity. High levels of PEU may reflect a thorough knowledge of clients’ widely differing needs, the competing values held by external stakeholders (Quinn & Rohrbaugh, 1981), and the problems associated with the goal ambiguity of both these causes (Chun & Rainey, 2005). Realistic assessments of these wicked issues in the socioeconomic and external political context facing a public organization, therefore, suggest the following hypothesis: H7: Organizational effectiveness is positively related to PEU. Data and Methods The organizational context of the analysis is local government service departments in Wales. Welsh local governments provide education, social care, housing, welfare benefits, environmental, and leisure and cultural services and are governed by elected bodies with a Westminster-style cabinet system of political management. In such a system, the cabinet represents the de facto executive branch of government and usually comprises senior members of the ruling political party, all of whom collectively decide policy. By restricting the analysis to service departments, other potential influences on PEU such as the policies of higher tiers of government and legal constraints are held constant. Some cases could not be matched when the explanatory variables were mapped on to the dependent variables, due to missing data within the respective datasets. As a result, the statistical analysis is conducted on 48 cases, consisting of 9 education departments, 6 social services departments, 6 housing departments, 8 highways departments, 9 public protection departments, and 10 benefits and revenues departments. Data on perceptions of the environment, management, organizational, and 32 ppmr / September 2008 strategic factors are derived from an electronic survey of managers in Welsh local government conducted in autumn 2002. E-mail addresses for up to 10 senior and middle managers in every service department were provided by the corporate policy unit in each government. Questionnaires were then distributed via e-mail. Survey respondents were asked a series of questions about their organizations. For each question, informants placed their service department on a seven-point Likert scale ranging from 1 (disagree with the statement) to 7 (agree with the statement). Data were collected from different tiers of management to circumvent sample bias problems associated with surveying informants from only one organizational level. Heads of service and middle managers were selected for the survey because attitudes often differ between hierarchical levels within organizations (Walker & Enticott, 2004). The sampling frame for the survey consisted of 198 service departments and 830 informants. Responses were received from 46 percent of services (n = 90) and 29 percent of individual informants (n = 237). The sample of 48 service departments analyzed represents 36 percent of a possible 132 education, social services, housing, highways, public protection, and benefits departments—a rate similar to studies of strategic management in the private sector (e.g., Gomez-Mejia, 1992). The departments analyzed are representative of the diverse operating environments faced by Welsh local governments, including urban, rural, socioeconomically deprived, and predominantly English- or Welsh-speaking areas. Time trend extrapolation tests uncovered no statistically significant differences between early and late respondents, indicating that nonrespondent bias is not a problem. This estimation technique is commonly used in survey research because late respondents demonstrate a reluctance to respond, which is akin to nonresponse (see Armstrong & Overton, 1977, for an explanation and application). To generate service level data suitable for analysis, informants’ responses within each service department were aggregated. The average score was taken as representative of that service. Thus, for instance, if there were two informants from a highways department, one from road repair services, and another from traffic planning services, the mean of their responses was used. Dependent Variables Perceived Environmental Uncertainty Six items from the survey gauged perceptions of environmental complexity and dynamism (see Table 1). To measure perceived complexity, respondents were asked to score the relative complexity of both the socioeconomic and external political contexts they faced on a seven-point scale ranging from 1 (disagree with the proposed statement) to 7 (agree with the proposed statement). Similarly, perceived dynamism was measured by asking them to evaluate the extent to which these two Andrews / Perceived Environmental Uncertainty 33 contexts were (a) unpredictable and (b) changing rapidly. Because it is possible for an organization to face a changing but predictable environment, the perceptions of instability and unpredictability were multiplied to construct variables reflecting more accurately their interactive effects on perceived environmental dynamism. To generate measures of overall socioeconomic and external political PEU, the respective measures of perceived complexity and dynamism were multiplied together. Again, the rationale for multiplying rather than summing complexity and dynamism is simply that an organization’s environment reflects the interaction of both dimensions. Organizational environments can be complex but comparatively static. In such circumstances, PEU may be relatively low as managers are able to predict the level of complexity that they face (Jurkovich, 1974). Therefore, it is important to account for the combined effects of perceived complexity and dynamism when exploring the relation between PEU and organizational characteristics and outcomes. Skewness and kurtosis tests reveal that the interacted measures are normally distributed. Very high PEU scores are, therefore, unlikely to have distorted the statistical results. Organizational Effectiveness The performance of Welsh local government services is evaluated every year through statutory performance indicators set by the National Assembly for Wales (i.e., their most powerful stakeholder). The National Assembly for Wales Performance Indicators (NAWPIs) are based on common definitions and data, which are obtained by councils for the same time period with uniform collection procedures before being independently verified. For this analysis, 29 of the 100 NAWPIs available for 2003 that focus most closely on effectiveness were used. Examples include the average General Certificate in Secondary Education (GCSE) score, the number of pedestrians killed or seriously injured in road accidents, and the percentage of welfare benefit renewal claims processed on time (see the Appendix for the full list). To standardize the NAWPIs for comparative analysis across different service areas, z-scores are taken of each performance indicator for all Welsh governments. Different indicators within each service area are then added together to produce an average score, before being combined with other service scores to create an aggregate measure of organizational effectiveness. Independent Variables Internal Factors Management. The relative level of collaborative governance in Welsh local government service departments is measured by creating a single factor using principal components analysis of three survey items asking respondents to indicate whether they worked with (a) other local and public authorities, (b) the private sector, or Dependent variables Perceived socioeconomic uncertainty: The socioeconomic context the service operates in is very complex. is unpredictable. is changing rapidly. Perceived external political uncertainty: The external political context the service operates in: is very complex. is unpredictable. is changing rapidly. Organizational effectiveness 2003 Independent variables Management factors: The service works in partnership with other local or public authorities. The service works in partnership with the voluntary sector. The service works in partnership with the private sector. Strategy develops through consultation with local citizens. Table 1. Descriptive Statistics 4.00 2.00 1.00 1.00 4.00 2.00 1.00 2.00 –1.56 3.00 1.00 1.00 2.00 4.92 3.40 3.71 110.55 5.08 4.12 4.61 .04 5.40 4.97 4.37 4.41 Min 69.85 Mean 7.00 7.00 7.00 7.00 7.00 6.00 7.00 1.34 7.00 6.00 6.00 252.00 216.00 Max .96 1.44 1.29 1.16 1.24 1.26 1.33 .57 1.19 1.19 1.29 67.25 48.82 Std. dev. 34 ppmr / September 2008 7.00 7.00 7.00 7.00 7.00 2.12 1.54 2.40 40.02 1326.01 223,301 726.32 1.00 1.00 2.00 2.00 2.00 4.00 –1.51 –1.43 12.31 353.27 66,829 24.25 .68 .98 7.13 205.17 38,244.66 242.82 .86 1.20 1.06 1.48 1.26 .88 Note: The diversity measure consists of 16 ethnic groups: White British, Irish, Other White, White and Black Caribbean, White and Black African, White and Asian, Other Mixed, Indian, Pakistani, Bangladeshi, Other Asian, Caribbean, African, Other Black, Chinese, Other Ethnic Group. Sources: Data for organizational effectiveness and service expenditure (2001–2003), deprivation, ethnic diversity, population, and population density come from National Assembly for Wales (2003, 2004), Department of Environment, Transport, and Regions (2000), and Office for National Statistics (2003). Organizational factors All staff are involved in the strategy-making process to some degree. 4.67 Our service has more autonomy than other services in the authority. 4.15 Perceived overall performance 2002 5.36 Strategy factors Searching for new opportunities for service delivery is a major part of our overall strategy. 4.87 The service emphasizes efficiency of provision. 5.15 The service explores new opportunities only when under pressure from external agencies. 1.00 Controls Organizational effectiveness 2002 .03 Service expenditure 2002 .01 Deprivation 2001 23.85 Ethnic diversity 2001 582.41 Population 2001 131,465 Population density 2001 355.51 Andrews / Perceived Environmental Uncertainty 35 36 ppmr / September 2008 (c) the voluntary sector. The factor explains over 60 percent of the variance in the items, and the factor loadings for each aspect of collaborative governance were all above 0.7, indicating that they are important determinants of the variance explained by the factor. It also has a good Cronbach’s alpha internal reliability score of 0.7 (Nunnally, 1978). The role of citizen consultation within service departments is measured using an item that gauges the extent to which strategy develops through consultation with local citizens. Organization. Most studies of organizational structure in the private sector measure the extent of centralization by assessing the degree of participation in decision making (Hage & Aiken, 1967, p. 77). The measure of organizational decentralization used in this study is, therefore, based on a variable that evaluates the extent of involvement in strategic decision making within the sample organizations. Organizational inertia is also measured as both a function of the relative autonomy and the perceived performance of service departments. Autonomy is gauged by asking respondents to indicate the extent to which their service department had more autonomy than other services in the authority. High levels of occupational closure within multipurpose public organizations may buffer service departments from unpredictable external shocks and intrusive bureaucratic control (Kitchener, 2000). Managerial perceptions of performance were assessed by posing a question based on Dess and Robinson’s (1984) study of manufacturing firms: “Overall, to what extent would you agree that your service is performing well?” Perceptions of high performance are likely to lead organizational decision makers to rely on automatic interpretations of environmental circumstances based on past diagnoses (Dutton, 1993). Strategic stance. The measures of organizational strategy are derived from Snow and Hrebiniak (1980) and Stevens and McGowan (1983). A prospector strategy is operationalized through a survey item asking respondents to indicate if their service is at the forefront of innovative approaches. To explore the extent to which Welsh local governments displayed defender characteristics, informants were asked whether their service emphasizes efficiency of provision. Reactors are expected to lack a consistent strategy and to await guidance on how to manage and deliver services. Informants were, therefore, asked about the extent to which they explored new opportunities only when under pressure from external agencies. Controls Past performance. The performance of public organizations changes only incrementally over time (O’Toole & Meier, 1999), which indicates that performance in one period is strongly influenced by performance in the past. Consequently, effectiveness in the previous year is entered in the analysis of organizational effectiveness in 2002–3. By including the autoregressive term, the coefficients for Andrews / Perceived Environmental Uncertainty 37 socioeconomic and external political PEU show what these variables have added to (or subtracted from) the performance baseline. Service expenditure. Performance may vary because of the financial resources expended on services (Boyne, 2003). Spending variations across services may arise for a number of reasons (e.g., the level of central government support, the size of the local tax base, and departmental shares of a government’s total budget). Potential expenditure effects are controlled by using figures drawn from the 2001–2 NAWPIs (see the Appendix). External constraints. Previous research has shown that the achievements of local governments are affected by the environment in which they operate (Andrews et al., 2005). As a result, four objective measures of the external environment faced by service departments are included in the statistical model of performance. The average Ward score on the Index of Multiple Deprivation (Department of Environment, Transport, and Regions, 2000) is used as a measure of the quantity of service need. This score, which is the standard population-weighted measure of deprivation used by U.K. central government, is derived from 33 indicators across six domains (e.g., levels of income, education, and health). Residents in disadvantaged areas scoring highly in the index of deprivation typically have fewer social and economic resources with which to boost service provision through coproduction (Williams, 2003). To measure diversity of service need, the proportion of each ethnic group within a local government area is squared and the sum of the squares of these proportions subtracted from 10,000. The resulting measures are the equivalent of the Herfindahl indices used by economists to measure market concentration, with a high level of diversity reflected in a high score. Public organizations operating in ethnically diverse areas may require a wider range of costly specialist social services, such as multilingual community workers, and also need to assign considerable resources to building good community relations (Office of the Deputy Prime Minister, 2003). Indeed, controlling for this aspect of social heterogeneity, rather than economic or educational diversity, is especially important, because of the substantial scholarly and governmental attention devoted to addressing its consequences (e.g., Jencks & Phillips, 1998; Office of the Deputy Prime Minister, 2003). Log transformation of the measure counter the effects of positive skew (test result of 2.2). Large organizations can accrue scale economies by distributing fixed costs over more units of output (Stigler, 1958), which can, in turn, enable them to reinvest the savings in new or innovative ways of working that may improve performance. The relative size of local government service departments is fixed by the territorial boundaries of the population they serve. Organizational size is, therefore, measured using population figures for each local government. These figures are then divided by the area in square kilometers to give a measure of population density. Providing services within densely populated areas can generate scope economies, 38 ppmr / September 2008 as static facilities in urban locations can offer multiple services from the same site (Grosskopf & Yaisawamg, 1990). The descriptive statistics and data sources for all the measures are listed in Table 1. Statistical Results The results of the statistical models of PEU are shown in Table 2. The average variance inflation factor for the independent variables is around 1.6. It is, therefore, highly unlikely that the results are distorted by multicollinearity (Bowerman & O’Connell, 1990). Robust estimation of the regression standard errors was used to correct for nonconstant error variance (Long & Ervin, 2000). Management, organizational, and strategic variables collectively explain over 37 percent of the variation in socioeconomic and external political PEU in Welsh local government service departments. The evidence suggests that strategic factors have a fairly consistent association with both dimensions of PEU. However, the evidence on management and organizational factors is more mixed. Hypothesis 1 is not confirmed by the results: The coefficient for the collaborative governance factor is statistically insignificant for both measures of PEU. This finding corroborates evidence that the benefits of collaborative governance, in terms of knowledge and information sharing, may not be as great as anticipated (Zhang & Dawes, 2006). However, it is possible that the effects of the different dimensions of collaborative governance are canceling each other out. That is, that partnership with one sector is more likely to heighten PEU in organizations, whereas partnership with another is likely to reduce levels of PEU. For example, Parker and Hartley stressed that collaboration with private organizations can generate substantial transaction costs “arising from incomplete information” (2003, p. 107). We might then expect partnership with the private sector to be positively associated with PEU. However, disaggregating the separate aspects of the collaborative governance factor did not lead to changes in the explanatory power of the model or uncover new statistically significant relations. Hypothesis 2 receives extremely mixed support: The sign of the coefficient for citizen consultation is positive and statistically significant for socioeconomic PEU but is negative and significant for external political PEU. On the one hand, organizations that consult with citizens may develop a keener sense of the diverse social needs that they confront, intensifying their uncertainty about meeting the competing demands that these make. For example, to consult different citizen groups, particular efforts are required to reach those experiencing poverty or social exclusion (Barnes, Newman, Knops, & Sullivan, 2003). On the other hand, by directly consulting citizens, public organizations may be displaying a greater propensity to trust them and, correspondingly, perceive local political demands to be more certain (Yang & Callahan, 2005). In either case, it is clear from the Andrews / Perceived Environmental Uncertainty 39 Table 2. Internal Factors Associated with Perceived Environmental Uncertainty (PEU) Socioeconomic PEU External political PEU Independent variables Slope Slope s.e. Constant Management Collaborative governance Citizen consultation Organization Decentralization Autonomy Perceived performance Strategic stance Prospector Defender Reactor F statistic R2 –48.662 147.021 96.318 s.e. 56.642 3.034 8.135* 5.520 4.484 –2.743 –16.120** 8.885 7.085 7.653** –2.642 3.453 3.815 2.677 –13.322** 5.207 6.454 6.280 2.021 9.896 5.542 5.174 7.665 29.052*** –25.034*** 23.427** 2.857** .370 8.332 8.031 11.765 –10.588* 11.098** .578 23.039*** 3.067*** .386 Note: N = 48. ***p ≤ 0.01. **p ≤ 0.05. *p ≤ 0.10 (two-tailed tests). results that engaging with citizens is strongly associated with the environmental perceptions of local government service departments. Hypothesis 3 receives partial support. Decentralized decision making appears to increase levels of socioeconomic PEU. However, the results suggest it has no statistically significant effect on external political PEU. One potential explanation for this finding is that by involving staff from lower levels, it is possible for an organization to tap into particular aspects of their local knowledge, but that there maybe limits to that knowledge. Organizational members that are closer to the front line of operations are likely to have a sure grasp of the heterogeneity and unpredictability of client needs in the public sector, but their distance from political principals may lead them to be less aware of the demands of other important external stakeholders. For example, street-level bureaucrats who are “savvy about what works as a result of daily interactions with clients” are rarely involved in the external political relations of their parent organizations (Maynard-Moody, Musheno, & Palumbo, 1990, p. 845). The results provide mixed support for Hypothesis 4. The sign for the organizational autonomy coefficient is negative in both cases but is only statistically significant for external political PEU. By contrast, Hypothesis 5 is confirmed for 40 ppmr / September 2008 socioeconomic PEU but not for external political PEU. The evidence on these organizational factors suggests that service departments that are buffered from external interference through having greater freedom to maneuver than their less autonomous counterparts are likely to perceive their external political circumstances to be more certain. In contradistinction, those organizations perceiving themselves to be high performers appear to feel that they have a surer grasp of the social and economic circumstances with which they contend. Both findings imply that organizations may become more complacent about environmental challenges if they perceive themselves to be insulated from important socioeconomic and external political pressures. For example, the precipitous decline of the prestigious and successful U.K. retailer Marks and Spencer during the 1990s coincided with a failure to respond to concerns about service quality voiced in customer surveys (Mellahi, Jackson, & Sparks, 2002). The hypothesis on strategic factors (Hypothesis 6) receives strong support from the statistical results. In line with the propositions, the coefficient for a strategy of prospecting is consistently positive and statistically significant. Similarly, the sign for the reacting coefficient is positive and statistically significant for both measures of PEU. In addition, the proposition on defending receives some confirmation from the results: Its coefficient is negative and statistically significant for external political PEU. Prospecting is generally associated with a high level of PEU by contingency theorists. Innovative organizations that seek to identify new opportunities typically perceive their external circumstances to be both complex and dynamic (Russell & Russell, 1992). A reacting strategy may lead managers to become highly sensitive to rapid environmental changes as their decision making would need to be attuned to cues from external forces, especially those given by their political principals (Rainey, 1997). By contrast, defenders are inward looking and may be more inclined to perceive their environment as stable, simple, and predictable even if evidence is available to suggest that this is not the case. The results of the statistical model of PEU and organizational effectiveness using robust estimation of the regression standard errors are shown in Table 3. The results are unlikely to be distorted by multicollinearity as the average variance inflation factor for the independent variables is about 1.4 (Bowerman & O’Connell, 1990). The model provides an excellent level of statistical explanation of variations in the performance of Welsh local government service departments. The R2 is above 80 percent and is significant at 0.01. Furthermore, the control variables have the expected signs, and most are statistically significant. Performance is autoregressive, quantity and diversity of service need, as expected, have a significant negative association with performance, and population density has a significant positive association. Taken together, the R2 and the effects of the performance baseline, service expenditure, and external constraints suggest that the model provides a sound foundation for assessing the consequences of PEU. Andrews / Perceived Environmental Uncertainty 41 Table 3. Perceived Environmental Uncertainty (PEU) and Organizational Effectiveness Effectiveness Independent variables Constant Perceived socioeconomic uncertainty Perceived external political uncertainty Past performance Service expenditure Ethnic diversity (log) Deprivation Population Population density F statistic R2 Slope 3.678*** –.0008 .001** .792*** .060 –1.152*** –.035*** .000001 .0004** 20.612*** .809 s.e. 1.185 .0008 .0006 .065 .041 .400 .008 .000001 .0002 Note: N = 48. ***p ≤ 0.01. **p ≤ 0.05 (two-tailed tests). Hypothesis 7 is given partial support by the findings presented in Table 3. The coefficient for external political PEU is positive and statistically significant, and the coefficient for socioeconomic PEU is statistically insignificant. Local government service departments that perceive high levels of uncertainty in their external political environment perform better than those that perceive that environment to be certain. However, perceptions of the relative level of uncertainty in the social and economic circumstances are unrelated to their service achievements. Even when controlling for past performance, service expenditure, and external constraints, perceptions of external political uncertainty appear to stimulate better performance. There are a number of potential explanations for this finding. It is conceivable that managers in high-performing public organizations are acutely aware of uncertainty in the external political environment and are, as a result, far less complacent about the need to secure institutional legitimacy. For instance, they may be more willing to devote greater resources to meeting the demands made of them by important political principals or to improving community relations within the local population. By contrast, underestimation of the external political context may lead to insular decision making or an inability to respond effectively to political exigencies. Institutional theory suggests that organizations that are confident of their legitimacy may erroneously associate that with better performance (Frumkin & Galaskiewicz, 2004). It is also possible that simply having a heightened sensitivity to the wide range of external stakeholders within the environment of public organizations may make public managers approach their 42 ppmr / September 2008 Table 4. Summary of Findings Findings Variable Management Collaborative governance Citizen consultation Organization Decentralization Autonomy Perceived performance Strategic stance Prospector Defender Reactor Effectiveness Service performance Hypothesized direction Socioeconomic PEU External political PEU + + ns + ns – + – – + ns – ns – ns + – + + ns + + – + + ns + Note: PEU = perceived environmental uncertainty. task in a manner that is conducive to better service performance. For example, they may increase the intensity of their networking with relevant external agencies to reduce the impact of uncertainty (Meier & O’Toole, 2001). The findings on perceived socioeconomic PEU suggest that managers’ perceptions of complexity, instability, and unpredictability in the social and economic circumstances they face are unrelated to public service performance. However, this result does not necessarily mean that this dimension of PEU simply does not affect the achievements of public organizations. It is possible that managers’ perceptions of social and economic uncertainty are associated with strategies, structures, or processes that may, in turn, lead to better performance. The combined effect of PEU and internal organizational characteristics on performance is a topic meriting further research. The overall results of the hypothesis testing are summarized in Table 4. For the most part, the empirical findings support the hypotheses. The results show that over one-half of the results (10 out of 18) are statistically significant in the predicted direction. However, nearly one-third of the findings are statistically insignificant, suggesting that there is a need to explore certain aspects of PEU in more depth, especially its hypothesized relation with collaborative governance. Furthermore, one hypothesis is contradicted: Citizen consultation is negatively associated with external political PEU. Nonetheless, the results confirm the value of the concept of PEU for the empirical analysis of public organization behavior. By analyzing Andrews / Perceived Environmental Uncertainty 43 the relations between PEU and the organizational choices and outcomes proposed by contingency theorists, researchers can gain a valuable perspective on the ways in which “environmental forces mold organizations through the mediation of human minds” (Simon, 1976, p. 334). Conclusion This paper examines PEU in public organizations by exploring its relation with internal factors and organizational outcomes in Welsh local government service departments. Levels of PEU are strongly associated with strategic stance: A prospecting or reacting strategy is positively related to socioeconomic and external political uncertainty, whereas a strategy of defending is negatively related to external political uncertainty. Citizen consultation and organizational inertia are also associated with PEU. In turn, the performance of local government service departments is positively influenced by perceived external political uncertainty, even when controlling for past performance and a range of external constraints. This analysis expands on work on organizational environments in the public sector in several ways. First, it formalizes and tests a model of the organizational characteristics and outcomes associated with PEU. Previous studies have so far only theorized the concept of PEU in public organizations (Begun & Kaissi, 2004). Second, the paper presents systematic empirical evidence on managerial perceptions of the environment in the public sector. Existing work concentrates solely on the impact of archival objective measures of the organizational environment drawn from secondary data sources (Andrews et al., 2005). Third, the unit of analysis is different service departments in multipurpose local governments, making the results particularly generalizable as they apply to a wide variety of public services. To explore fully how public organizations can perceive and manage high levels of uncertainty, it is essential for researchers and policymakers to consider the extent to which the linkages between PEU and internal characteristics proposed by contingency theorists are susceptible to central and local discretion. In particular, how organizations should seek to align their strategy with the environmental circumstances that they face is a critical question for public managers. Further investigation of the relation between organizational fit and performance would also provide important information on the policy levers that should be pulled to maximize the impact of public sector reform. For example, the evidence presented here supports the argument that the strategic management capability of public organizations should be directed toward strengthening the fit between organizations and their external stakeholders (Poister & Streib, 1999). There are, of course, some limitations of this analysis. The statistical results may be a product of where and when the research was conducted. Therefore, it is 44 ppmr / September 2008 important to identify whether PEU differs in other organizational settings, both within the United Kingdom and elsewhere and over other time periods. Welsh local governments operate within a highly regulated environment, which constrains many aspects of their behavior (see Andrews et al., 2003). Public organizations elsewhere across the globe may experience higher levels of PEU than those studied here. In addition, the ability to measure adequately perceived environmental instability and unpredictability is limited by the use of a cross-sectional data set. Because it was not possible to track changes in managers’ perceptions of the environment, the analysis may be biased by the potential impact of recency on managerial perceptions (Wholey & Brittain, 1989). Furthermore, debate abounds about the direction of causality in the relation between PEU and organizational characteristics (see, especially, Leifer & Huber, 1977). Longitudinal panel data would enable the issue of causality between internal factors, such as strategy and structure, and perceptions of environmental uncertainty to be traced with greater precision. Finally, the combined effect of management, organizational, and strategic factors leaves a substantial part of the variation in PEU found here unexplained. This gap may be partly attributable to limitations in the measures but may also be attributable to a host of additional individual and organizational level variables (such as managerial experience, top team diversity, environmental scanning procedures, and research and development capacity) that are beyond the scope of this study. Similarly, the contribution of PEU to organizational outcomes could be explored in greater depth, both by controlling for the management, organizational, and strategic factors with which it is associated, and investigating its effect in combination with those factors. Nonetheless, the findings presented here have important practical implications. Decentralization of decision making by encouraging the participation of service managers in important strategic decisions can enable public organizations to engage with the organizational environment in a manner conducive to the efficient creation and transfer of client knowledge. For this decentralization to influence service outcomes positively, other sources of organizational inertia must also be overcome. Cross-departmental working within multipurpose organizations, for instance, may corral vital information about the task environment (Willem & Buelens, 2007). Another important way in which such knowledge about the external environment can be communicated is through the use of citizen consultation techniques, such as neighborhood panels and public forums (Office of the Deputy Prime Minister, 2006). However, managers should not be complacent about the information that they gather from such exercises. For example, because they often focus on specific issues and initiatives, consultation processes may sometimes neglect broader issues of political responsiveness and social equity (Yang & Holzer, 2006). Andrews / Perceived Environmental Uncertainty 45 At a strategic level, PEU may be associated with two contradictory strategies: prospecting and reacting. Prospecting implies a proactive attitude toward managing environmental change, and reacting signifies passive dependence on external forces. Public organizations should, therefore, adopt a prospector strategy to maximize the positive impact of managerial sensitivity to external circumstances. Indeed, research suggests that prospecting organizations outperform their reacting counterparts (Andrews, Boyne, & Walker, 2006). In addition, the positive relation between external political PEU and performance implies that more resources should be devoted to ensuring that public managers understand their external political environment. By learning more about the intricacies of the complex, networked environments in which they increasingly operate, public managers become better equipped to access vital exogenous sources of resources and support from other public, private, and nonprofit organizations, which, in turn, leads to service improvement. This study provides evidence on PEU in the public sector. Despite its limitations, the findings provide a strong platform for the application of the insights of contingency theory to public organizations. Future research could furnish further guidance for the theory and practice of public management by analyzing the linkages between PEU and the strategy, structure, and processes of organizations and their separate and combined effects on public service performance. References Agranoff, R. (2005). Managing collaborative performance: Changing the boundaries of the state? Public Performance & Management Review, 29(1), 18–45. Aldrich, H.E. (1979). Organizations and environment. 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Dr. Rhys Andrews is a research fellow at the Centre for Local and Regional Government Research at Cardiff University. His research interests focus on civic culture, organizational environments, and public service performance. His publications include articles in the Journal of Public Administration Research and Theory and Public Administration Review. 50 ppmr / September 2008 Appendix. National Assembly for Wales Performance Indicators (NAWPI) Effectiveness and Expenditure Measures 2001–2003 Service area Education Social services Housing Effectiveness NAWPI Expenditure NAWPI • Net expenditure per nursery and primary pupil under 5 • Net expenditure per primary pupil age 5 and over • Net expenditure per secondary pupil under 16 • Net expenditure per pupil secondary pupil age 16 & over • Average General Certificate in Secondary Education (GCSE) or General National Vocational Qualification (GNVQ) points score of 15/16-year-olds • % 15/16-year-olds achieving 5 or more GCSEs at grades A*–C or the vocational equivalent • % 15/16-year-olds achieving one or more GCSEs at grade G or above or the vocational equivalent • % 11-year-olds achieving Level 4 in Key Stage 2 Maths • % 11-year-olds achieving Level 4 in Key Stage 2 English • % 11-year-olds achieving Level 4 in Key Stage 2 Science • % 14-year-olds achieving Level 5 in Key Stage 3 Maths • % 14-year-olds achieving Level 5 in Key Stage 3 English • % 14-year-olds achieving Level 5 in Key Stage 3 Science • % 15/16-year-olds achieving at least grade C in GCSE English or Welsh, Mathematics, and Science in combination • % 15/16-year-olds leaving fulltime education without a recognized qualification (inverted) • Cost of children’s services per • Percentage of young people child looked after leaving care age 16 or over with at least 1 GCSE at grades A*–G or GNVQ • Proportion of rent collected • Average weekly management costs • Rent arrears of current tenants • Average weekly repair costs (inverted) • Rent written off as not collectable (inverted)