Battese, George E.; Rao, D. S. Prasada - In: International Journal of Business and Economics 1 (2002) 2, pp. 87-93
This paper considers a stochastic metafrontier function to investigate the technical efficiencies of firms in different groups that may not have the same technology. A decomposition of output is presented involving the technology gap and technical efficiency ratios for firms in a group relative...