1. Introduction and Overview. 2. Detecting Influential Observations and Outliers. 3. Detecting and Assessing Collinearity. 4. Applications and Remedies. 5. Research Issues and Directions for Extensions. Bibliography. Author Index. Subject Index.

Regression Diagnostics: Identifying Influential Data and Sources of Collinearity

Contemporary research on the outcomes of diverse institutional arrangements for governing common-pool resources (CPRs ) and public goods at multiple scales builds on classical economic theory while developing new theory to explain phenomena that do not fit in a dichotomous world of “the market” and “the state.” Scholars are slowly shifting from positing simple systems to using more complex frameworks, theories, and models to understand the diversity of puzzles and problems facing humans interacting in contemporary societies. The humans we study have complex motivational structures and establish diverse private-for-profit, governmental, and com munity institutional arrangements that operate at multiple scales to generate productive and inno vative as well as destructive and perverse outcomes ( Douglass C. North 1990, 2005 ). In this article, I will describe the intellectual journey that I have taken the last half century from when I began graduate studies in the late 1950s. The early efforts to understand the poly centric water industry in California were formative for me. In addition to working with Vincent Ostrom and Charles M. Tiebout as they formulated the concept of polycentric systems for gov erning metropolitan areas, I studied the efforts of a large group of private and public water producers facing the problem of an overdrafted groundwater basin on the coast and watching saltwater intrusion threaten the possibility of long term use. Then, in the 1970s, I participated with colleagues in the study of polycentric police industries serving US metropolitan areas to find that the dominant theory underlying massive reform proposals was incorrect. Metropolitan areas served by a combination of large and small producers could achieve economies of scale in the production of some police services and avoid diseconomies of scale in the production of others. These early empirical studies led over time to the development of the Institutional Analysis and Development (IAD) framework. A common framework consistent with game theory enabled us to undertake a variety of empirical studies including a meta-analysis of a large number of existing case studies on common-pool resource systems around the world. Carefully designed experimental studies in the lab have enabled us to test precise combinations of structural vari ables to find that isolated, anonymous individuals overharvest from common-pool resources. Simply allowing communication, or “cheap talk,” enables participants to reduce overharvest ing and increase joint payoffs contrary to game theoretical predictions. Large studies of irrigation systems in Nepal and forests around the world challenge the presumption that governments always do a better job than users in organizing and protecting important resources.

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Beyond Markets and States: Polycentric Governance of Complex Economic Systems

Crossing the great divide: Coproduction, synergy, and development

The 20th anniversary issue of Global Environmental Change provides an important opportunity to address the core questions involved in addressing ‘‘global environmental’’ problems—especially those related to climate change. Climate change is a global collective-action problem since all of us face the likelihood of extremely adverse outcomes that could be reduced if many participants take expensive actions. Conventional collective-action theory predicts that these problems will not be solved unless an external authority determines appropriate actions to be taken, monitors behavior, and imposes sanctions. Debating about global efforts to solve climate-change problems, however, has yet not led to an effective global treaty. Fortunately, many activities can be undertaken by multiple units at diverse scales that cumulatively make a difference. I argue that instead of focusing only on global efforts (which are indeed a necessary part of the long-term solution), it is better to encourage polycentric efforts to reduce the risks associated with the emission of greenhouse gases. Polycentric approaches facilitate achieving benefits at multiple scales as well as experimentation and learning from experience with diverse policies.

Polycentric systems for coping with collective action and global environmental change

In recent years, there has been a radical reinterpretation of the role of policy making and service delivery in the public domain. Policy making is no longer seen as a purely top-down process but rather as a negotiation among many interacting policy systems. Similarly, services are no longer simply delivered by professional and managerial staff in public agencies but are coproduced by users and their communities. Th is article presents a conceptual framework for understanding the emerging role of user and community coproduction and presents several case studies that illustrate how diff erent forms of coproduction have played out in practice. Traditional conceptions of service planning and management are now outdated and need to be revised to account for coproduction as an integrating mechanism and an incentive for resource mobilization — a potential that is still greatly underestimated. However, coproduction in the context of multipurpose, multistakeholder networks raises important public governance issues that have implications for public services reform.

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Beyond Engagement and Participation: User and Community Coproduction of Public Services

We test three different conceptual models—“experience with police,” “quality of life,” and “neighborhood context”—for directional accuracy and ability to explain satisfaction with the police. We also investigate whether these models help to explain the common finding that African-Americans are more dissatisfied with the police than are Caucasians. To do so, we use hierarchical linear modeling to simultaneously regress our outcome measure on clusters of citizen- and neighborhood-level variables. The analysis was conducted using recently collected information from the Project on Policing Neighborhoods (POPN). The data file consisted of survey responses from 5,361 citizens residing in 58 neighborhoods located in Indianapolis, Indiana and St. Petersburg, Florida. At the citizen level, the psychologically based “quality of life” model accounts for the greatest proportion of explained variance and provides the greatest directional accuracy. Also, residents of neighborhoods characterized by concentrated disadvan...

Experience, quality of life, and neighborhood context: A hierarchical analysis of satisfaction with police

The concept of coproduction of public services has captured increased attention as a potential means of increasing the effectiveness and efficiency of local government. In this article we explore the concept of coproduction in an effort to sharpen the definition of that concept and add rigor to our understanding of the effects of coproduction in local service delivery and the processes by which coproductive activity occurs.

https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1541-0072.1981.tb01208.x

Consumers as coproducers of public services: some economic and institutional considerations

Linking Objective and Subjective Measures of Performance

Numerous studies by Tyler and colleagues, as well as other scholars, support a normative, process model to account for variation in the public’s cooperation with police in the USA and other develop...

Examining Police Effectiveness as a Precursor to Legitimacy and Cooperation with Police

This article explores a variety of predictors of citizens' compliance with police requests to cease misbehavior. Where possible, the authors attempt to closely replicate the 1996 model formulated by Mastrofski, Snipes, and Supina to explain citizen compliance in Richmond, Virginia. Data on police-citizen encounters (N = 989) are drawn from the Project on Policing Neighbor hoods, conducted in Indianapolis, Indiana, and St. Petersburg, Florida. The analysis indicates that a variety of legitimating factors influence compliance; however, the model's overall explanatory power is weaker than expected.

Roger B. Parks

Papers

Experience, quality of life, and neighborhood context: A hierarchical analysis of satisfaction with police

Consumers as coproducers of public services: some economic and institutional considerations

Linking Objective and Subjective Measures of Performance

Examining Police Effectiveness as a Precursor to Legitimacy and Cooperation with Police

To Acquiesce or Rebel: Predicting Citizen Compliance with Police Requests