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21.
博弈论在治理河流水污染中的应用 总被引:6,自引:0,他引:6
针对我国日益严重的河流水污染状况,本文通过对污染源企业和政府之间的关系进行博弈分析,建立监督博弈模型,并以此分析政府对污染源企业的监管力度及经济上的处罚力度。 相似文献
22.
Gregory L. Poe Jeremy E. Clark Daniel Rondeau William D. Schulze 《Environmental and Resource Economics》2002,23(1):105-131
Past field validity tests of contingent valuation have relied on voluntary contribution mechanisms to elicit actual willingness to pay, and may overestimate hypothetical bias because of free riding in the actual contributions. This paper argues that provision point mechanisms are a preferred alternative for field validity tests of contingent valuation because they increase the proportion of demand revealed in cases in which public goods can be provided in a step function. The results of a contingent valuation validity study of participation in a green electricity pricing program that uses a provision point mechanism are reported, and hypothetical open-ended and dichotomous choice responses are compared to actual participation. Calibration of hypothetical responses is also explored. 相似文献
23.
Valuing a change in the risk of death is a key input into the calculation of the benefits of environmental policies that save
lives. Typically such risks are monetized using the Value of a Statistical Life (VSL). Since the majority of the lives saved
by environmental policies are those of older persons, there has been much recent debate about whether the VSL should be lower
for the elderly to reflect their fewer remaining life years. We conducted a contingent valuation survey in the UK, Italy and
France designed to answer this question. The survey was administered in these three countries following a standardized protocol.
Our results suggest that the VSL is €1.022 million or €2.264 million, depending on whether we use median or mean WTP. The
VSL is not significantly lower for older persons, but is higher for persons who have been admitted to a hospital or emergency
room for cardiovascular and respiratory problems. Income is positively and significantly associated with WTP. The income elasticities
of the WTP increase gradually with income levels and are between 0.15 and 0.5 for current income levels in EU countries. We
use the responses to the WTP questions to estimate the value of an extension in remaining life expectancy. The value of a
loss of one year’s life expectancy is €54,000 or €163,000. 相似文献
24.
The Effect of Protest Votes on the Estimates of WTP for Use Values of Recreational Sites 总被引:1,自引:0,他引:1
Elisabetta Strazzera Margarita Genius Riccardo Scarpa George Hutchinson 《Environmental and Resource Economics》2003,25(4):461-476
Contingent valuation studies are often characterized by a considerable number of protest responses, which may cause selectivity bias on the final estimates for WTP. Sample selection models can detect and – if necessary – correct selectivity bias. In economic applications where the relevant dependent variable is continuous, sample selection models are generally estimated using Heckman's 2-step method rather than the FIML estimator. Either method has its own drawback: computational complexity for the FIML method, susceptibility to collinearity problems for the 2-step method. Using data on valuation of forest resources for recreational use, we analyse the performance of the two estimators. In this application, given the presence of some collinearity, the FIML is preferred to the 2-step method. A procedure is outlined to deal with selectivity problems in similar settings. 相似文献
25.
Researching Preferences,Valuation and Hypothetical Bias 总被引:1,自引:0,他引:1
A number of recent papers in environmental economics have focused on the process of researching preferences – agents are uncertain
about preferences but with effort may narrow their uncertainty. This issue has arisen in formulating bids in contingent valuation
(CV) as well as the debate over the divergence between WTP and WTA. In the context of CV, it has been suggested that the hypothetical
nature of the preference elicitation process biases responses. This paper provides both a theoretical model and experimental
evidence to contribute to this debate. The model is a model of competitive bidding for a private good with two components
that are particularly relevant to the debate. The first component is that bidders are unsure of their own value for the private
good but may purchase information about their own value (researching preferences). The second component is that there is a
probability that the auction is hypothetical – that the winning bidder will not get the private good and will not pay the
winning bid. The experiment tests this theoretical model of bidding equilibrium and analyzes the effects of variations in
the parameters (hypotheticalness, information costs and number of agents) on the endogenous variables (such as the proportion
of bidders who become informed and the winning bid). Experimental results suggest that an increase in the hypotheticalness
of an auction tends to decrease the likelihood that bidders pay for information on their valuation with an ambiguous effect
on the winning bid.
相似文献
26.
Richard M. O‘Conor Magnus Johannesson Per-Olov Johansson 《Environmental and Resource Economics》1999,13(2):235-248
We compare different contingent valuation question formats with each other and with observed behaviour for a non-monetary estimation task, the expected number of kilometers travelled by automobile. Open-ended questions, open-ended follow-up questions, dichotomous choice (DC) questions, and double-bound DC questions are included. The single and double-bound DC questions result in an estimated mean about twice as high as the actual value and the open-ended mean. The DC question overestimation seems to be due to an anchoring effect leading to yea-saying behaviour. Our results about the difference between DC questions and open-ended questions is consistent with the pattern observed in contingent valuations studies of the willingness to pay. Our results indicates that DC questions seem to be associated with a general overestimation problem that is present even for simple non-monetary estimation tasks. 相似文献
27.
本文从博弈角度对信息不完全和声誉报酬型羊群行为的生成机理进行了剖析,最后从博弈均衡解出发,给出了弱化羊群行为的对策。 相似文献
28.
David Schmidt Robert Shupp James M. Walker Elinor Ostrom 《Games and Economic Behavior》2003,42(2):281-299
This paper presents results from a series of experiments designed to test the impact on subject behavior of changes in the risk dominance and payoff dominance characteristics of two player coordination games. The main finding is that changes in risk dominance significantly affect play of the subjects, whereas changes in the level of payoff dominance do not. Observed history of play also has an important influence on subject behavior, both when subjects are randomly rematched after each game and when they remain matched with the same individual for a sequence of games. 相似文献
29.
企业经营者声誉激励效应研究 总被引:1,自引:0,他引:1
高山 《云南财贸学院学报》2007,23(6):59-63
通过分析企业经营者与所有者之间的博弈关系,构建了企业经营者的声誉模型,探讨了声誉对企业经营者的激励效应,以及声誉与企业经营绩效之间的关系。一定时期内,在声誉效应的激励机制下,经营者拥有企业的控制权对企业的运作是有效率的。 相似文献
30.
传统资产评估理论将资产评估活动视为机械化与程式化的过程,因而对资产评估的职能认识比较单一和狭隘。随着社会的进步和经济的发展,在资产评估过程中探求各种因素,尤其是人的因素如何影响评估结果的准确性,以求规避不准确性结果的出现,将有很强的现实意义。本文用博弈论的相关理论对资产评估活动进行研究,以期对其职能准确界定提供参考。 相似文献