important since that would be a signal for a structural problem within the industry. The analysis - using recently developed DEA …

companies in Germany (1990-2004). We apply both deterministic data envelopment analysis (DEA) and bootstrapping to test the …

the panel: the nonparametric data envelopment analysis (DEA), the free disposal hull (FDH), and, as a parametric approach …

of limited data availability in some regulated industries. Here, traditional DEA may result in a lack of discriminatory … power when high numbers of variables but only limited observations are available. We apply PCA-DEA for radial efficiency … while maintaining most of the variation in the original data. Our results suggest that the PCA-DEA methodology reduces the …