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Estimating the inefficiency in the Norwegian bus industry from stochastic cost frontier models
Jørgensen, Finn - In: Transportation : planning, policy, research, practice 24 (1997) 4, pp. 421-433
Persistent link: https://www.econbiz.de/10001238653
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The costs of bus operations in Norway
Jørgensen, Finn - In: Journal of transport economics and policy 29 (1995) 3, pp. 253-262
Persistent link: https://www.econbiz.de/10001187184