von Hirschhausen, Christian; Cullmann, Astrid - In: Transportation Research Part E: Logistics and … 46 (2010) 3, pp. 436-445
In this paper, we present a nonparametric comparative efficiency analysis of 179 communal public transport bus companies in Germany (1990-2004). We apply both deterministic data envelopment analysis (DEA) and bootstrapping to test the robustness of our estimates and to test the hypothesis of...