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Efficiency analysis of East and West German electricity distribution companies-Do the 'Ossis' really beat the 'Wessis'?

机译:东德和西德配电公司的效率分析-“ Ossis”真的击败了“ Wess”吗?

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摘要

This paper focuses on a technical efficiency difference puzzle that was observed by von Hirschhausen, C, Cullmann, A., Kappeler, A. [Analysis of German electricity distribution utilities — non-parametric and a parametric test, Applied Economics 38 (21) (2006) 2553— 2566]. They found that the average Eastern German electricity distributor features a higher technical efficiency than its West German counterpart across a wide variety of empirical model specifications. We apply a robustness analysis concerning the used data, the model specifications as well as the applied methods. We use non-parametric data envelopment analysis (DEA) and the parametric stochastic frontier analysis (SFA) in a distance function framework analyzing physical inputs and outputs based on the original sample. The results largely confirm the robustness of the efficiency difference between East and West German distribution companies.
机译:本文着重于冯·赫希豪森(C. C.,Cullmann,A.,卡佩勒(Kappeler,A)观察到的技术效率差异难题。[德国配电公司的分析-非参数和参数检验,应用经济学38(21)( 2006)2553– 2566]。他们发现,在各种经验模型规范中,东德平均电力分销商的技术效率均高于西德同行。我们对所使用的数据,模型规格以及所应用的方法进行鲁棒性分析。我们在距离函数框架中使用非参数数据包络分析(DEA)和参数随机前沿分析(SFA),基于原始样本分析物理输入和输出。结果很大程度上证实了东西方分销公司之间效率差异的稳健性。

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