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首页> 外文期刊>Environmental & Resource Economics >Harvesting versus Biodiversity: An Occam's Razor Version
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Harvesting versus Biodiversity: An Occam's Razor Version

机译:收获与生物多样性:Occam的剃刀版

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摘要

The point of departure for this paper is the familiar prototype fisheries model where a fictitious sole owner harvests a fish population to maximize present discounted profits. The paper answers analytically the following question. " What happens to a policy when the sole owner also values biodiversity, as well as profits?" It turns out that the size of the steady-state stock and the number of species preserved are both higher, when species diversity is positively valued. This paper provides a sharp characterization of the optimal policy in terms of the usual economic parameters and an exogenously introduced willingness-to-pay function for species preservation.
机译:本文的出发点是熟悉的原型渔业模型,在该模型中,虚拟的唯一所有者捕捞鱼类种群以最大程度地提高当前的折现利润。本文分析地回答了以下问题。 “当唯一所有者也重视生物多样性以及利润时,政策会发生什么?”事实证明,当物种多样性为正值时,稳态种群的数量和所保存物种的数量都较高。本文根据通常的经济参数对最优政策进行了清晰的描述,并从外源引入了保护物种的支付意愿函数。

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