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Energy balance climate models and general equilibrium optimal mitigation policies

机译：能源平衡气候模型和一般均衡最优缓解政策

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摘要

In a general equilibrium model of the world economy, we develop a two-dimensional energy balance climate model featuring heat diffusion and anthropogenic forcing driven by global fossil fuel use across the sphere of the Earth. This introduces an endogenous location dependent temperature function, driving spatial characteristics, in terms of location dependent damages resulting from local temperature anomalies into the standard climate-economy framework. We solve the social planner's problem and characterize the competitive equilibrium for two polar cases differentiated by the degree of market integration. We define optimal taxes on fossil fuel use and how they may implement the planning solution. Our results suggest that if the implementation of international transfers across latitudes is not possible then optimal taxes are in general spatially non-homogeneous and may be lower at poorer latitudes. The degree of spatial differentiation of optimal taxes depends on heat transportation. By employing the properties of the spatial model, we show by numerical simulations how the impact of thermal transport across latitudes on welfare can be studied.
机译：在世界经济的一般平衡模型中，我们开发了二维能量平衡气候模型，该模型具有热扩散和人为强迫的特征，这些热量是由全球化石燃料在地球上的使用所驱动的。这将内在的位置相关的温度函数引入了空间特性，从而根据局部温度异常导致的位置相关的损害来驱动空间特性，并将其引入标准的气候经济框架。我们解决了社会计划者的问题，并针对两种极端情况（通过市场整合程度来区分）描述了竞争均衡。我们为化石燃料的使用以及如何实施规划解决方案定义最佳税收。我们的结果表明，如果无法在跨纬度地区实施国际转移，那么最佳税收通常在空间上是不统一的，并且在较贫困的纬度地区可能较低。最优税收的空间差异程度取决于热传导。通过利用空间模型的属性，我们通过数值模拟显示了如何研究跨纬度的热传输对福利的影响。

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  • 来源
    《Journal of Economic Dynamics and Control》 |2013年第12期|2371-2396|共26页
  • 作者

    William A. Brock; Gustav Engstroem; Dieter Grass; Anastasios Xepapadeas;

  • 作者单位

    University of Wisconsin-Madison 1180 Observatory Drive, Madison, WI 53706, USA,University of Missouri-Columbia, 909 University Avenue, 118 Professional Building, Columbia, USA;

    The Beijer Institute of Ecological Economics, The Royal Swedish Academy of Science, Box 50005, SE-104 05 Stockholm, Sweden;

    Institute of Mathematical Methods in Economics, Vienna University of Technology, A-1040 Vienna, Austria;

    Athens University of Economics and Business, Department of International and European Economic Studies, 76 Patission Street,104 34 Athens, Greece;

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  • 正文语种 eng
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  • 关键词

    Optimal carbon taxes; General equilibrium; Energy balance climate model;

    机译：最优碳税;一般均衡;能源平衡气候模型;

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