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排序方式: 共有221条查询结果,搜索用时 15 毫秒
71.
Abstract. We study the implementation of constrained‐efficient allocations in labour markets where a basic coordination problem leads to an equilibrium matching friction. We argue that these allocations can be achieved in a non‐cooperative equilibrium if wages are determined by ex post bidding. This holds true even in finite‐sized markets where the equilibrium‐matching process has decreasing returns to scale – where the 'Hosios rule' does not apply – both with and without heterogeneity. JEL classification: D83, J64 相似文献
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I. J. Bateman R. Brouwer S. Ferrini M. Schaafsma D. N. Barton A. Dubgaard B. Hasler S. Hime I. Liekens S. Navrud L. De Nocker R. ??eponavi?i��t? D. Sem?nien? 《Environmental and Resource Economics》2011,50(3):365-387
We implement a controlled, multi-site experiment to develop and test guidance principles for benefits transfers. These argue that when transferring across relatively similar sites, simple mean value transfers are to be preferred but that when sites are relatively dissimilar then value function transfers will yield lower errors. The paper also provides guidance on the appropriate specification of transferable value functions arguing that these should be developed from theoretical rather than ad-hoc statistical approaches. These principles are tested via a common format valuation study of water quality improvements across five countries. While this provides an idealised tested, results support the above principles and suggest directions for future transfer studies. 相似文献
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This paper investigates the contribution of socio-economic scenarios to improve decisions and policies in climate assessments. We specifically looked at adaptation projects in the Dutch Climate changes Spatial Planning programme. Based on the four decision failure criteria neglect of internal information, bounded rationality, insufficient expansion of existing mental models and stickiness and lack of friction of information and knowledge, it was concluded that in these projects, socio-economic scenarios appear to generate useful data, but that their full potential to reduce decision failure is not likely to be exploited. Therefore adaptation options suggested by these studies may not be ‘future-proof’: they may be appropriate in some future societies, but fail in others. We believe similar results would be obtained in other contexts. Possible decision failures are caused by neglecting socio-economic developments, limiting the number of storylines generated by scenario studies to one or two, lack of stakeholder involvement in the scenario development and ignoring discontinuities. 相似文献
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We analyze the role of farm stock management on price volatility under liquidity constraints and heterogeneous price expectations. In commodity markets, speculative behaviors by stockholders tend to reduce price volatility, but this is not the case in certain agricultural markets, where speculation by farmers regarding decisions to sell or store grain is subject to liquidity constraints and heterogeneous price expectations. Like stockholders, most farmers sell grain if they expect a price drop in the near future, but unlike stockholders, they are not necessarily able to purchase grain if they expect a price increase in the next period. Heterogeneous price expectations can also lead to suboptimal storage decisions, further increasing price volatility. For these reasons, the storage management behavior of farmers often fails to mitigate price drops in the way that speculation by stockholders does. We merge historical data on maize prices and household storage collected in Burkina Faso in order to build a dynamic panel over the 2005–2012 period. We show that carryover from one season to the next is associated with unexpected price drops during the preceding lean season and that carryover is associated with more frequent unexpected price drops following the subsequent post‐harvest season. 相似文献
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Finance and Stochastics - We consider the expected utility maximisation problem and its response to small changes in the market price of risk in a continuous semimartingale setting. Assuming that... 相似文献
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Gudbjörg Linda Rafnsdóttir Margrét Lilja Gudmundsdottir 《New Technology, Work and Employment》2011,26(3):210-221
This paper examines the self‐measured psychosocial work environment among employees working in six Icelandic companies, having similar jobs. Some are surveilled by electronic performance monitoring (EPM) technology and some are not. We find that employees working under EPM technology reported a worse psychosocial work environment than their colleagues. 相似文献
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The King Report on Corporate Governance (1994) evoked unprecedented interest in corporate governance in South Africa. This does not mean that corporate governance was not an issue of concern before the release of this historical report. To the contrary, corporate governance in its broader sense has been at stake since the inception of the first publicly owned companies in South Africa. This article intends to give an overview of corporate governance in South Africa. It starts by making a distinction between broad and narrow conceptions of corporate governance. Before applying this distinction to the practice of corporate governance in South Africa, a brief overview of the corporate landscape in South Africa is provided. Then the South African situation with regard to broad and narrow corporate governance respectively is analysed. The article ends with a discussion of the review of corporate governance that currently is in the making in South Africa. Throughout the article both the financial and ethical dimensions of corporate governance is attended to. 相似文献