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CEMMAP working papers / Centre for Microdata Methods and Practice
Centre for Microdata Methods and Practice <London> - London - 2001 -
Persistent link: https://www.econbiz.de/10004902999
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Econometric estimation of cost functions for the regulated transportation industries
Spady, Richard H. - 1979
Persistent link: https://www.econbiz.de/10004700102
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Freight transport regulation : equity, efficiency, and competition in the rail and trucking industries
Friedlaender, Ann Fetter; Spady, Richard H. - 1981
Persistent link: https://www.econbiz.de/10004056651