Darold TB and MG John (2006). “Biases in Technical Efficiency Scores Caused by Intra-Input Aggregation: Mathematical Analysis and a DEA Application Using Simulated Data.” Appl Econ 38(14): 1.
Darold TB and MG John (2006). “Biases in Technical Efficiency Scores Caused by Intra-Input Aggregation: Mathematical Analysis and a DEA Application Using Simulated Data.” Appl Econ 38(14): 1.