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1.
The role of market forces in EPA enforcement activity   总被引:1,自引:0,他引:1  
As corporate concern regarding environmental issues grows, recent studies have debated the stock market's role as an enforcer of environmental regulation. We examine stock market reactions to EPA judicial actions on a sample of publicly traded firms from 1972–91. Specifically, we find that (a) there is a significant decline of 0.43% in violator firm value during the week of settlement; (b) the market penalty is unrelated to fine size, (c) more pronounced for citations under the Clean Air Act, (d) for repeat violators, and (e) for more recent EPA actions. These stock market reactions appear to reinforce the intent of EPA enforcement efforts.Funding from the United States Environmental Protection Agency (Grant #818496-01-0) is gratefully acknowledged. We would like to thank John Dennis, Tom Adams, V. Denise Saunders, and Robert Papetti for helpful discussions and Bill Lewellen for his insightful comments. The research assistance of Dan Hillis, Nick Wade, and Chris Munger was invaluable. Suggestions by anonymous referees at this journal have greatly improved this paper.  相似文献   

2.
A latent-class model of environmental preference groups is developed and estimated with only the answers to a set of attitudinal questions. Economists do not typically use this type of data in estimation. Group membership is latent/unobserved. The intent is to identify and characterize heterogeneity in the preferences for environmental amenities in terms of a small number of preference groups. The application is to preferences over the fishing characteristics of Green Bay. Anglers answered a number of attitudinal questions, including the importance of boat fees, species catch rates, and fish consumption advisories on site choice. The results suggest that Green Bay anglers separate into a small number of distinct classes with varying preferences and willingness to pay for a PCB-free Green Bay. The probability that an angler belongs to each class is estimated as function of observable characteristics of the individual. Estimation is with the expectation–maximization (E–M) algorithm, a technique new to environmental economics that can be used to do maximum-likelihood estimation with incomplete information. As explained, a latent-class model estimated with attitudinal data can be melded with a latent-class choice model. Edward Morey and Jennifer Thacher are equal authors and rotate authorship across articles.  相似文献   

3.
Although the greenhouse effect is by many considered as one of the most serious environmental problems, several economic studies of the greenhouse effect, most notably Nordhaus's DICE model, suggest that it is optimal to allow the emissions of greenhouse gases (GHG) to increase by a factor of three over the next century. Other studies have found that substantial reductions can be justified on economic grounds. This paper explores into the reasons for these differences and identifies four (partly overlapping) crucial issues that have to be dealt with when analysing the economics of the greenhouse effect: low-probability but catastrophic events; cost evaluation methods; the choice of discount rate; the choice of decision criterion. The paper shows that (i) these aspects are crucial for the policy conclusions drawn from models of the economics of climate change, and that (ii) ethical choices have to be made for each of these issues. This fact needs wider recognition since economics is very often perceived as a value neutral tool that can be used to provide policy makers with “optimal” policies.  相似文献   

4.
Meta-regression analysis is a statistical summary or synthesis of a body of evidence. However, when primary studies provide more than one estimate, the presence of dependence in the metadata has implications for the statistical efficiency of estimated moderator variables. Previous meta-analyses have adjusted for within study dependence through ad hoc procedures (e.g., selecting one estimate per study and study average) or regression-based methods (e.g., weighted and panel data models). This paper defines dependency based on the underlying primary data (i.e., from the same sample) and examines the effect of different models and treatments on meta-regression estimation and implications for benefit transfer performance. The models are applied to the sportfishing literature that contains 140 papers providing 833 estimates of access values for fishing in the United States and Canada. The different methods of adjusting for dependency within the sportfishing metadata result in differences in the estimated model coefficients; hence, different transferred values and transfer errors.  相似文献   

5.
A regression meta-analysis is a statistical summary of results from a set of empirical studies. While, a meta-analysis is typically used to drawn inferences regarding the collective insights from an empirical literature, a regression meta-analysis can also be used to predict outcomes as a substitute for the conduct of a new study. Within the nonmarket-valuation literature benefit transfers are a special case of prediction where value estimates collected for one purpose are used as a basis for predicting value for unstudied applications. Balancing against the prediction opportunities provided by a regression meta-analysis is the potential prediction error. This paper considers some of these issues in the estimation of a regression meta-analysis to support prediction of nonmarket values for applications where an original study does not exist. We do not purport to address all elements of the error structure and prediction issues, but to present a more coherent focus to enhance future research on the validity and reliability of benefit-function transfers, and ultimately assist in enhancing the credibility of benefit transfers to support policy analyses.  相似文献   

6.
Within labour economics, returns to education is an area of focused research. Moreover, amongst studies looking at emerging economies, China is the most widely studied economy. While there is a general consensus that returns to education are positive, studies use various datasets and methodologies and consequently present varying estimates of returns to education. We perform a meta-analysis of these estimates of the returns to education in China, addressing issues of heterogeneity in the existing literature and examining whether variations in reported estimates can be explained by study characteristics such as dataset and estimation methods, among others. The meta-regression results show that variations in reported estimates can be accounted for by study characteristics such as data source, estimation method and sample period, among others. The results support the college premium hypothesis and reveal that the returns to education for college graduates are higher than those for other (lower) levels of education.  相似文献   

7.
The economic valuation of complex environmental goods (composed of multiple attributes) is an expanding field of research in ecological and environmental economics. However, several issues are still subjects of debate. This paper focuses on three of them: the linearity of the valuation function in the attributes; aggregation criteria for obtaining social values; and the heterogeneity of individuals’ utility functions. A methodological approach based on Multi-attribute Utility Theory, which enables us to contrast the impact of these concerns on the valuation of environmental goods, is proposed. We employ the methodology to value a protected natural area and, from the results obtained, we can conclude that the non-linearity and the heterogeneity of the individual utility function are relevant aspects of environmental valuation that need to be taken into account when valuing environmental goods.  相似文献   

8.
Socio-environmental conflicts are widespread, and global economic growth will likely increase them in the coming decades. While political ecology, the analysis of common pool resources, and ecological economics, among others, have provided praiseworthy insights into such conflicts, institutional approaches to these phenomena are still scarce. Classical institutional economics has occasionally been put to work on environmental issues, but proposed frameworks remain relatively underdeveloped. We wish to contribute to institutional research on environmental issues by building upon Bruno Théret’s interpretation of John R. Commons’s transactional model and applying the framework to a case of socio-environmental conflicts. First, we briefly sketch the landscape of institutional contributions (especially those that follow the classical institutionalist tradition) to the analysis of environmental issues. We explain why Commons has largely been ignored on these issues. Then, we analyze some of the key concepts of Commonsian economics that are of particular interest to our theoretical elaboration. Following this, we depict Commons’s transactional scheme and propose an application to a case of socioenvironmental mining conflict in Peru. Our framework could complement existing ones and shed light on the institutional dynamics of natural-resource management through conflict.  相似文献   

9.
During 34 years, David Pearce made major contribution to OECD work on environmental economic issues, with a particular focus on cost–benefit analysis, economic instruments, biodiversity and distributive issues. This article provides a brief review of David Pearce’s contributions. This work was particularly useful in enhancing the political economy of environmental policy which is at the core of OECD work. The opinions expressed in this paper reflect the author’s perception of this long history of the development of environmental economics at OECD; it does not necessarily reflect the views of the OECD and its member countries. Many thanks to Jonathan Fisher, Nick Johnstone and Michel Potier for their comments on an earlier draft.  相似文献   

10.
In this paper we first critically review conventional environmental economics. We conclude that the standard theory offers too narrow a perspective for many real world problems and that many theories are not empirically tested. Consequently, environmental economics is at risk of producing aeroplanes without engines. Next, we welcome and discuss some recent trends, particularly the rapid developments of behavioural and new institutional economics as well as the increased interest in empirical analysis. Yet, we conclude that more ‘logical duels’ between competing theories, more interaction between theory and empirics, and more integration between the social sciences are needed to achieve a better understanding of real world environmental problems and the development of adequate policy handles. Finally, we present an outline of steps towards the development of an environmental social science and briefly present the papers that make up this special issue as important building stones of such a discipline.  相似文献   

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