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Knut?VeistenEmail author Hans?Fredrik?Hoen Jon?Strand 《Environmental and Resource Economics》2004,29(4):419-433
This paper presents tests of the theoretical validity of the contingent valuation (CV) method. The validity of CV is especially a concern when involving environmental goods with a predominant non-use value. One test of theoretical validity is the adding-up property that implies that a specific good should be equally valued irrespectively of it is being valued directly or built-up sequentially. In this CV study four independent sub-samples stated willingness to pay for the same composite good, or package, using different sequences. One sub-sample valued the composite good directly, while two sub-samples faced built-up sequences valuing first subsets of this composite good. A fourth sub-sample valued the composite good from a dividing-out approach, facing first the valuation of a larger multi-package. Theoretically expected sequencing effects were observed; the subset goods obtained higher values earlier in a sequence, and the dividing-out approach decreased the stated value for the composite good. Most importantly, these CV data did pass the tests of the adding-up property. 相似文献
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CDM is an offset mechanism designed to reduce the overall cost of implementing a given global target for greenhouse gas (GHG) emissions in Annex B countries of the Kyoto Protocol. A problem with CDM is that it provides incentives to increase, if possible, the baseline emissions for CDM projects, to optimize the value of CDM credits. Under a “relative baselines” crediting rule, the CDM may also unduly increase energy consumption even during the CDM implementation phase. Less than full offset of emissions is then likely, and the CDM will lead to increased global GHG emissions. We show that this is a potentially serious problem, due to asymmetric information between project hosts and the regulator, the CDM Executive Board, and to the basic rules for crediting CDM quotas. In certain cases, the use of “relative baselines” to credit CDM quotas could fully eliminate any emissions reductions achieved by CDM projects. Remedies to overcome the problems are discussed. They may involve setting the baseline independently of initial energy intensity and final output for the project; or involve information revelation mechanisms that minimize policy losses and net rent capture by project sponsors. 相似文献
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AbstractConsumers do perceive risk in purchase decisions and seek to reduce both uncertainty and probability of loss. Risk also varies across persons and purchasing situations. Retailers promote product guarantees as risk reducers, but the quantitative evidence is lacking. They offer guarantees to help resolve outcomes from post-purchase problems mainly, product performance. We used an online survey to investigate the role of risk mitigation by money-back guarantees (MBGs) on a live product: plants. We obtained online responses from 504?US residents?≥?age 18 years who had made at least one live plant purchase in the six months prior to the study. As MBG length increased, perceived risk (PR) decreased. PR was higher for men than for women and declined as income increased. Subjects with a higher level of product involvement, expertise, delight, repurchase intentions, and regret had a higher level of PR. We conducted separate Chow tests for annual and perennial plants by price and MBG length and found several break points. As price increased from $5 to $10, a 30-d MBG reduced PR for annual plants while the reduction in PR was incrementally decreased for all guarantee lengths when annuals were priced over $20. With perennial plants, the MBG had an increasingly larger effect on reducing PR for each $10 increase in price. Overall, for each day increase in MBG length, we observed a 0.0337 decrease in PR, which meant that a 90-d MBG on a plant would reduce PR by 3%. This quantitative evidence of reduction in PR should encourage the use and communication of MBGs which have the potential to improve purchases, customer retention, and profitability. 相似文献
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Certain managerial functions are necessary or of greater importance in certain organizations. The following relations between organization types and leadership roles are hypothesized: expert organizations and producers, bureaucratic organizations and administrators, group organizations and integrators, and task organizations and entrepreneurs. The analysis shows that striving for results and achieving goals (i.e. producer role) is a role requirement that appears in all types of organization, whereas integrating behavior was required as a secondary requirement, again in all four types of organization. It was also found that the union stewards overestimated their leaders’ efficacy as administrators and entrepreneurs, whereas the leaders themselves overestimated their own efficacy as producers and integrators. The leader’s length of service with the organization reduces the inclination towards the producer role, but is conducive to the role of administrator. 相似文献
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There has recently been much discussion of the possible use of internationally coordinated indirect taxes, or equivalent charges, on international aviation, whether as a source of finance for development or as part of a response to heightened concerns with climate change. This paper considers the strengths and weaknesses of the leading candidate instruments of this kind. It argues that, on both policy and administration grounds, the case for increasing indirect taxes on international aviation is strong: the indirect tax burden on international aviation is very low, yet aviation contributes significantly to border-crossing environmental damage, is just as proper an object of taxation as any other commodity, and incipient tax competition is likely to result in these taxes being set at inefficiently low levels. But the form(s) in which such taxes are levied matters: a tax on aviation fuel would address the key border-crossing externalities most directly; a tax on final ticket values would have greater revenue potential, and perhaps some distributional advantage; departure/arrival taxes face the least legal obstacles, but are much blunter instruments. Optimal policy, it is shown, typically requires deploying both a fuel tax and a ticket tax, and the paper explores, both in principle and by simulation, the key considerations and trade-offs involved in designing a suitable indirect tax regime for international aviation. 相似文献
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