Technical efficiency of European railways: a distance function approach

British Railways Board, University of Leeds, 1979, A Comparative Study of European Rail Performance

Caves D. W., 1980, Journal of Political Economy, 80, 958, 10.1086/260916

Caves D. W., 1981, The American Economic Review, 71, 994

10.2307/2232257

Coelli T. J., 1996, Efficiency measurement, multi-output technologies and distance functions: with application to European railways

10.1016/S0377-2217(98)00271-9

10.1007/978-1-4615-5493-6

10.1080/000368496328155

Deprins D., 1988, Gestion de l'Économie et de l'Entreprise: l'Approche Quantitative, 321

Dodgson J. S., 1985, International Railway Economics, 13

Dodgson J. S., 1994, Privatisation and Economic Performance, 232, 10.1093/oso/9780198773436.003.0017

Fare R., 1994, Production Frontiers

10.1016/0304-4076(90)90057-Z

Gathon H.-J., 1992, The Journal of Productivity Analysis, 3, 131

10.1016/0304-4076(80)90041-X

10.1162/003465397556458

Klein L. R., 1953, A Textbook of Econometrics

10.1007/978-3-642-79037-9_41

Nash C., 1985, International Railway Economics, 237

10.1016/0014-2921(88)90188-2

Pestieau P., 1993, Finanz Archiv, 50, 293

Shephard R. W., 1970, Theory of Cost and Production Functions

UIC, 1988, International Railway Statistics