We compute DEA efficiency scores and Malmquist indexes for a panel data set comprising 68 Portuguese public hospitals …

some valuable progress has been made exploring the economic theory underlying DEA models, these developments have remained … in their infancy and have not found enough application. An attempt is made here to examine the DEA model of efficiency …-stage production processes makes the technology structure non-convex, and therefore, the standard convex DEA production models (e …

of rapid capacity addition in the early 1990s coupled with the recession in the steel sector. Though our DEA results on …

Two alternative estimation models, i.e., a translog cost function and data envelopment analysis (DEA) based on a cost … results indicate that while the translog cost model exhibits increasing returns to scale for all the ownership groups, the DEA … is very restrictive. The DEA cost model is much more flexible in this respect: It neither requires the restrictive …

Radial and non-radial DEA models are distinguished on the basis of the presence of slacks. Viewing slacks as a possible …

This paper empirically examines the different variants of data envelopment analysis (DEA) models to select the large …