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Efficiency Analysis of German Electricity Distribution Utilities - Non-Parametric and Parametric Tests [journal article]
Source: Applied Economics, 38 (2006) 21. p.2553-2566
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Author(s): Hirschhausen, Christian von; Cullmann, Astrid; Kappeler, Andreas
Source: Applied Economics, 38 (2006) 21. p.2553-2566