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891.
An ongoing debate has been occurring within public choice for over a decade concerning the efficiency of democracy. Virginia Political Economy holds that political markets perform very differently from traditional markets. Chicago Political Economy, exemplified by the work of Becker and Wittman, maintains that political equilibrium, properly defined, is relatively efficient. I argue that the debate can be understood at least partially in methodological terms: Chicago views politics exclusively within the equilibrium framework of traditional economics, while Virginia draws at least implicitly on Austrian economics' view of the economy as a disequilibrium process. I contend that the factors which public choice scholarship has identified as distinguishing politics from markets—rational ignorance, majority rule, collective outcomes—affect the performance of politics as a process even if political equilibrium is relatively efficient. 相似文献
892.
Economic valuation of natural and environmental assets is now a well established practice. Economic analysis provides several methods for discovering the impact on social welfare associated with changes in the ability of these assets to provide different goods and services. In general terms, these valuation exercises have been performed in the framework of Environmental Impact Assessment or, more generally, Cost Benefit Analysis. There is, however, an increasing demand nowadays to go beyond this framework and to value natural capital (natural resource stocks, land and ecosystems) as such. There are two main reasons for this new demand. On the one hand, sustainability requires that proper account should be taken of capital depreciation and, therefore, there is a need to value natural capital changes. This valuation process, nevertheless, only makes sense when some kind of substitution between natural and other forms of capital is allowed. On the other hand, there is also an increasing tendency to demand that the stock of natural capital present in a given territory be valued, either to discover one of the main components of social wealth or to help adequately plan changes in land use. Yet, whereas conventional valuation methods are probably adequate to fulfill the first task, this is less true in the case of the second, while even more difficulties arise in connection with the third one. Even if at first sight the process appears conceptually identical, these tasks are of a different order of magnitude, as the experience of both the World Bank and the Statistics Division of the United Nations in this respect clearly shows. 相似文献
893.
In this paper we give a global condition on the cost function which is necessary and sufficient for continuity of the corresponding production function. A cost function satisfying this condition is ‘continuous enough’ in the sense discussed by Diewert (1974). 相似文献
894.
Daniel L. Hornton 《Journal of Macroeconomics》1982,4(3):325-338
This paper presents estimates of Chow's money-demand equations using Chow's data. The equations are adjusted for autocorrelation using two autocorrelation transformations, the standard Cochrane-Orcutt transformation that deletes “initial” observations, and one that does not delete these observations. The estimates focus on the question of the asset versus the transactions specifications. The results reaffirm Chow's original conclusion which supported the asset motive and, thereby, reversed nearly all of the findings recently reported by Lieberman (1980). The paper concludes that one should be wary about using the Cochrane-Orcutt transformation, especially when the ratio of the number of deleted observations to total observations is large. 相似文献
895.
Summary. It is widely believed that call options induce risk-taking behavior. However, Ross (2004) challenges this intuition by demonstrating the impossibility of inducing managers with arbitrary preferences to always act as if they were less risk averse. If preferences and price distributions are unknown, risk-taking behavior cannot be always induced by an option contract. Here, we prove a new result showing that, with no information about preferences and some knowledge about prices, one can write a call option that makes all managers prefer riskier projects to safer ones. This points out that in order to design options that induce risk taking it is sufficient to have information about price distributions.Received: 5 November 2003, Revised: 1 November 2004, JEL Classification Numbers:
D81, G00, J33, M21.
Correspondence to: Luis H.B. BraidoWe thank Renée Adams, Heitor Almeida, Carlos E. da Costa, Andrew Horowitz, Paulo K. Monteiro, Walter Novaes, Sergio O. Parreiras, Rodrigo R. Soares, and especially Marcos Tsuchida for many helpful comments. 相似文献
896.
897.
Revealed stochastic preference: a synthesis 总被引:1,自引:0,他引:1
Daniel L. McFadden 《Economic Theory》2005,26(2):245-264
Summary. The problem of revealed stochastic preference is whether probability distributions of observed choices in a population for various choice situations are consistent with a hypothesis of maximization of preference preorders by members of the population. This is a population analog of the classical revealed preference problem in economic consumer theory. This paper synthesizes the solutions to this problem that have been obtained by Marcel K. Richter and the author, and by J. C. Falmagne, in the case of finite sets of alternatives, and utilizes unpublished research of Richter and the author to give results for the non-finite choice sets encountered in economic consumer theory.Received: 13 March 2003, Revised: 11 February 2004, JEL Classification Numbers:
D1, C6.The preparation of this paper was supported by the E. Morris Cox endowment at the University of California, Berkeley. I am indebted to Robert Anderson, Salvador Barbara, Werner Hildenbrand, Rosa L. Matzkin, and Aviv Nevo for useful suggestions and comments. I am especially indebted to Marcel K. Richter, who was the source of many of the ideas and arguments contained in this paper. 相似文献
898.
This paper combines state-level data on trucking rates with information on state-level regulations to estimate the independent effect on rates from three different types of motor carrier regulations: rate regulation; entry regulation; and the provision of antitrust immunity for decisions made jointly by motor carrier rate bureaus. The empirical results indicate that state-level motor carrier regulations generally increase trucking rates, with entry regulation having the largest effect in the LTL (less-than-truckload) sector and rate regulation having the largest effect in the TL (truckload) sector. The study also examines interaction effects among the three types of regulations and concludes that the combination of strict entry requirements and antitrust immunity leads to significant increases in trucking rates.This project was begun when both authors were in the Bureau of Economics of the Federal Trade Commission. The views expressed are those of the authors and do not necessarily reflect the views of the Commission or any individual Commissioner. We are grateful to Ed Rastatter of the Department of Transportation for granting us access to the data analyzed in this report, and to Bruce Allen of Wharton who provided them to us in machine readable form. We thank James MacDonald, Paul Pautler and Ed Rastatter for comments on an earlier draft. We also are grateful to Lynn Carpenter, Karen Condor, Effie Georges, Dolly Howarth, Andrew Kim, Georges Pascoe, and Carolyn Samuels for their research and programming assistance. 相似文献
899.
This paper deals with two common econometric criticisms of the Andersen and Jordan (1968)equation—the endogeneity of the right-hand-side variables and the ad hoc implementation of Almon's polynomial distributed lag estimation technique. Using the original Andersen-Jordan data, we found no support for either criticism. While we note that the PDL specification of their equation is highly unusual, we found that their policy conclusions do not depend their particular choice of lag length or polynomial degree or their imposition of the endpoint constraints. Furthermore, the right-hand-side variables were found to satisfy necessary conditions for statistical exogeneity. 相似文献
900.
Growth and human capital: good data,good results 总被引:7,自引:0,他引:7
We present a new data set for years of schooling across countries for the 1960–2000 period. The series are constructed from
the OECD database on educational attainment and from surveys published by UNESCO. Two features that improve the quality of
our data with respect to other series, particularly for series in first-differences, are the use of surveys based on uniform
classification systems of education over time, and an intensified use of information by age groups. As a result of the improvement
in quality, these new series can be used as a direct substitute for Barro and Lee’s (2001; Oxford Economic Papers, 3, 541–563)
data in empirical research. In standard cross-country growth regressions we find that our series yield significant coefficients
for schooling. In panel data estimates our series are also significant even when the regressions account for the accumulation
of physical capital. Moreover, the estimated macro return is consistent with those reported in labour studies. These results
differ from the typical findings of the earlier literature and are a consequence of the reduction in measurement error in
the series.
相似文献