Just as individuals have preferences regarding the various goods and services they purchase every day, so they also hold preferences regrding public goods such as hose provided by the naural environment. However, unlike provate goods, environmental goods often cannot be valued by direct reference o any market price. Thsi amkes economic analysis of the costs and benefits of environmental change problematic. Over the past few decades a number of methods have developed to address this problem by attempting to value environmental preferences. Principal among hese has been the contingent valuation (CV) method which uses surveys to ask individuals how much they would be willing to pay or willing to accept in compensation for gains and losses of environmental goods. The period from the mid-1980s to the present day has seen a m,assive expansion in use of the CV method. From its originalroots int eh USA, through Europe and the developed world, the method has now reached worldwide application with a substantial proportion of current studies being undertaken in developing countries where environmental services are often the dominating determinant of everyday living standards. The method has simultaneously moved from the realm of pure academic speculation into the sphere of instiutional decision analysis. However, the past decade also witness a developing critique of the CV method with a number of commentators questioning the underlying validity of its dervied valuations. This volume, therefore, reflects a time of heated debate, as wellas from commentators who see it as an interesting experimental tool regardless of the question of absolute validity of estimates. The book embraces the theoritical, methodologicl, empirical, and institutional aspects of the current debate. It covers US, European , and developing country applications, and the institutional frameworks within which CV studies are applied.

Economists and others have long believed that by balancing the costs of such public goods as air quality and wilderness areas against their benefits, informed policy choices can be made. But the problem of putting a dollar value on cleaner air or water and other goods not sold in the marketplace has been a major stumbling block. Mitchell and Carson, for reasons presented in this book, argue that at this time the contingent valuation (CV) method offers the most promising approach for determining public willingness to pay for many public goods---an approach likely to succeed, if used carefully, where other methods may fail. The result of ten years of research by the authors aimed at assessing how surveys might best be used to value public goods validly and reliably, this book makes a major contribution to what constitutes best practice in CV surveys. Mitchell and Carson begin by introducing the contingent valuation method, describing how it works and the nature of the benefits it can be used to measure, comparing it to other methods for measuring benefits, and examining the data-gathering technique on which it is based---survey research. Placing contingent valuation in the larger context of welfare theory, the authors examine how the CV method impels a deeper understanding of willingness-to-pay versus willingness-to-accept compensation measures, the possibility of existence values for public goods, the role of uncertainty in benefit valuation, and the question of whether a consumer goods market or a political goods market (referenda) should be emulated. In developing a CV methodology, the authors deal with issues of broader significance to survey research. Their model of respondent error is relevant to current efforts to frame a theory of response behavior and bias typology will interest those considering the cognitive aspects of answering survey questions. Mitchell and Carson conclude that the contingent valuation method can obtain valid valuation information on public goods, but only if the method is applied in a way that addresses the potential sources of error and bias. They end their book by providing guidelines for CV practitioners, a list of questions that should be asked by any decision maker who wishes to use the findings of a CV study, and suggestions for new applications of contingent valuation. Additional features include a comprehensive bibliography of the CV literature and an appendix summarizing more than 100 CV studies.

Contingent valuation is one of the means of incorporating socio-environmental considerations in cost–benefit analysis. The authors of this book have examined environmental valuation methods through the lens of cost–benefit analysis focused on three case studies in Japan: public parks, a bay wetland, and a recreational theme park. With implications for the world at large, the findings presented here serve as a valuable source of information on Japanese behavior regarding the valuation of environmental goods. New, alternative approaches and guidelines for cost–benefit analysis in the public and private spheres also are discussed. This volume makes an important addition to the library of all researchers and other scientists in the fields of environmental science and environmental economics.

During the last decades, environmental economics as a science has been very successful in improving our understanding of environment-economy interdepen dence. Using conventional economic methodology, environmental aspects have been explicitly incorporated into economic models making use of the concept of externality. This concept was already familiar to economists long before evidence of severe environmental deterioration found its way into the headlines and peo ple's awareness. But before that time, external effects were not considered as being empirically very relevant, they seemed to be -like the example of the bees and the fruit trees - somewhat bucolic in nature. All that changed dramatically when it was no longer possible (or easy) to ignore the large-scale environmental disruption with its negative feedback on consumers and producers caused by growing pollution and excessive use of environmental resources. In diagnosing the discrepancy between private and social cost as the cause of the problem, the externality paradigm proved very useful. The correct diagnosis implies the straightforward cure to internalise all external cost, namely the damage cost of pollution. But it is one thing to identify the qualitative nature of the problem at an abstract conceptual level and quite another thing to place specific money values on pollution damage and society's valuation of the environment, respectively, in the context of specific pollution (control) problems. Very often it is controversial not only how inefficient the no-policy situation is but also what exactly the net benefit of any public action of reducing pollution is.

Contingent valuation (CV) measures what is called passive use value or existence value. The CV method has been used to measure the benefits of environmental policy actions. CV measures of economic value rely on choice. In CV studies, choices are posed to people in surveys; analysts then use the responses to these choice questions to construct monetary measures of value. The specific mechanism used to elicit respondents' choices can take a variety of forms, including asking survey respondents whether they would purchase, vote, or pay for a program or some other well-defined object of choice. It can also be a direct elicitation of the amount each respondent would be willing to pay (WTP) to obtain an object of choice or the amount each respondent would be willing to accept (WTA) in compensation to give it up. This volume is composed of three sections. The first section provides background into the issues underlying the public and academic discussion regarding CV and the reliability of CV estimates of economic value. In addition, this section reviews the theory underlying the measurement of economic value and discusses those aspects of the theory most relevant to CV. The second section focuses on issues that have formed the core of the CV discussions including: sensitivity of WTP estimates to the size of the program offered, tests for theoretical consistency of CV results, and the sensitivity of results to context and numerous other features of the survey and its administration. The final section addresses the application of CV to actual economic valuation tasks and discusses the types of practical problems the CV researcher will encounter.

Economic values are increasingly used in policy analysis and legal settings. With the growing recognition that many of the things that benefit or harm people are outside the market system, have come increasing efforts to develop nonmarket valuation techniques. One such technique is the contingent valuation method (CVM). CVM seeks to value environmental and other nonmarket goods and services by asking individuals about their values using survey methods. These procedures are different from the `revealed-preference' methods that economists have historically employed to estimate economic values. Why depart from well-established revealed-preference procedures and apply a `stated-preference' method like CVM? For nonmarket goods and services, revealed-preference methods have two shortcomings that those applying CVM hope to avoid. First, revealed-preference methods involve econometric problems that have yet to be fully overcome. The second shortcoming of revealed-preference methods is that such methods, when applied to environmental amenities, are likely to be only partial measures of value. Given the tremendous interest that exists in economic values and the limitations of revealed-preference methods, it is not surprising that interest in CVM has grown rapidly. Environmental Resource Valuation reviews the application of CVM and compares American experiences in nonmarket evaluation with those in other countries.