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A new robustness analysis for climate policy evaluations: A CGE application for the EU 2020 targets

机译:用于气候政策评估的新的稳健性分析:针对2020年欧盟目标的CGE应用

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摘要

This paper introduces a new method for stochastic sensitivity analysis for computable general equilibrium (CGE) model based on Gauss Quadrature and applies it to check the robustness of a large-scale climate policy evaluation. The revised version of the Gauss-quadrature approach to sensitivity analysis reduces computations considerably vis-a-vis the commonly applied Monte-Carlo methods; this allows for a stochastic sensitivity analysis also for large scale models and multidimensional changes of parameters. In the application, an impact assessment of EU2020 climate policy, we focus on sectoral elasticities that are part of the basic parameters of the model and have been recently determined by econometric estimation, alongside with standard errors. The impact assessment is based on the large scale CGE model PACE. We show the applicability of the Gauss-quadrature approach and confirm the robustness of the impact assessment with the PACE model. The variance of the central model outcomes is smaller than their mean by order four to eight, depending on the aggregation level (i.e. aggregate variables such as GDP show a smaller variance than sectoral output).
机译:本文介绍了一种基于高斯求积法的可计算一般均衡模型的随机敏感性分析新方法,并将其用于检验大规模气候政策评估的稳健性。灵敏度分析的高斯正交方法的修订版相对于常用的蒙特卡洛方法大大减少了计算;这也允许对大型模型和参数的多维更改进行随机灵敏度分析。在该应用程序中,我们对EU2020气候政策进行了影响评估,我们重点关注部门弹性,该弹性是模型基本参数的一部分,最近已通过计量经济学估算确定,同时还带有标准误差。影响评估基于大型CGE模型PACE。我们展示了高斯正交方法的适用性,并用PACE模型确认了影响评估的稳健性。中央模型结果的方差比其平均值小4到8阶,具体取决于汇总水平(即GDP等汇总变量的方差小于部门产出的方差)。

著录项

  • 来源
    《Energy Policy》 |2013年第4期|27-35|共9页
  • 作者单位

    Centre for European Economic Research (ZEW), L7,1, D-68161 Mannheim. Germany;

    Centre for European Economic Research (ZEW), L7,1, D-68161 Mannheim. Germany,University of Heidelberg, D-69115 Heidelberg, Germany;

    DNV KEMA Energy & Sustainability, D-53113 Bonn, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sensitivity analysis; climate policy; CGE models;

    机译:敏感性分析;气候政策;CGE模型;

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