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.

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