Separating environmental efficiency into production and abatement efficiency: a nonparametric model with application to US power plants |
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Authors: | Benjamin Hampf |
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Institution: | 1. Department of Law and Economics, Darmstadt University of Technology, Residenzschloss, Marktplatz 15, 64283, Darmstadt, Germany
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Abstract: | In this paper we present a new approach to evaluate the environmental efficiency of decision making units. We propose a model that describes a two-stage process consisting of a production and an end-of-pipe abatement stage with the environmental efficiency being determined by the efficiency of both stages. Taking the dependencies between the two stages into account, we show how nonparametric methods can be used to measure environmental efficiency and to decompose it into production and abatement efficiency. For an empirical illustration we apply our model to an analysis of US power plants. |
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