Steinmann, Lukas; Dittrich, Gunnar; Karmann, Alexander; … - 2003
A nonparametric Data Envelopment Analysis (DEA) is performed on hospitals in the federal state of Saxony (Germany) and … are not treated as an output but as an input. Second, the usual DEA assumption of a homogeneous sample is tested and … rejected for a large part of the observations. The proposed solution is to restrict DEA to comparable observations in the two …