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Understanding overall output efficiency in public transit systems : the roles of input regulations, perceived budget and input subsidies
Obeng, Kofi; Sakano, Ryoichi; Naanwaab, C. - In: Transportation research / E : an international journal 89 (2016), pp. 133-150
Persistent link: https://www.econbiz.de/10011494206
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Total factor productivity decomposition, input price inefficiencies, and public transit systems
Obeng, Kofi; Sakano, Ryoichi - In: Transportation research / E : an international journal 38 (2002) 1, pp. 19-36
Persistent link: https://www.econbiz.de/10001635351
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Expense preference behavior in public transit systems
Obeng, Kofi - In: Transportation research / E : an international journal 36 (2000) 4, pp. 249-265
Persistent link: https://www.econbiz.de/10001514323