functions, representing the contemporary development of visualisation. By making suitable cuts through the DEA frontier in …The contributions of the paper are threefold: i) compare with mathematical rigour the Charnes, Cooper, and Rhodes DEA … and Cooper, iii) provide graphical visualisation of properties of the frontier function. Both papers by Farrell emphasised …

frontier translog production function and DEA are applied to data on the Indian steel industry for a period of eight years in … order to compare inferences about the production correspondence of the steel industry. Our results indicate that DEA is …

When benchmarking production units by non-parametric methods like data envelopment analysis (DEA), an assumption has to … frontiers across samples of producers. Until now, no exact tests for examining returns to scale assumptions in DEA, or for test … test for the hypothesis of constant returns to scale in DEA. The others are tests for general frontier differences and …

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 …