Gathon HJ and P Pestieau (1995). “Decomposing Efficiency into its Managerial and its Regulatory Components: the Case of European Railways.” EJOR 80(3): 500-507.
Gathon HJ and P Pestieau (1995). “Decomposing Efficiency into its Managerial and its Regulatory Components: the Case of European Railways.” EJOR 80(3): 500-507.