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首页> 外文期刊>Journal of the Association of Environmental and Resource Economists >Optimal Management of Ecosystem Services with Pollution Traps: The Lake Model Revisited
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Optimal Management of Ecosystem Services with Pollution Traps: The Lake Model Revisited

机译：利用污染陷阱对生态系统服务进行优化管理：再造湖泊模型

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In this paper, optimal management of the lake model and common-property outcomes are reconsidered when the lake model is extended with the slowly changing variable. New optimal trajectories are found that were hidden in the simplified analysis. Furthermore, it is shown that two Nash equilibria may exist with the one leading to the steady state with a high level of ecological services dominating the other one. For larger initial states, only the Nash equilibrium with a low level of ecological services exists, which implies that the users of the lake can be trapped in the bad Nash equilibrium. Finally, it is shown that implementing the optimal phosphorus loadings from the simplified version into the full lake model can have considerable welfare losses, as the lake can end up in the wrong basin of attraction, but in most cases welfare losses are small because of the fast-slow dynamics.
机译：在本文中，当用缓慢变化的变量扩展湖泊模型时，将重新考虑湖泊模型的最佳管理和共同财产结果。发现了简化分析中隐藏的新的最佳轨迹。此外，结果表明，可能存在两种纳什均衡，其中一种导致稳态，高水平的生态服务主导另一种。对于较大的初始状态，仅存在生态服务水平较低的纳什均衡，这意味着该湖的使用者可能会陷入不良的纳什均衡。最后，结果表明，从简化版本到全湖模型中实现最佳磷负荷可能会造成相当大的福利损失，因为该湖最终可能落入错误的吸引盆地，但在大多数情况下，由于磷的存在，福利损失很小快速慢的动力学。

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