共 4 条
- [1] Railway Costs and Productivity Growth: The Case of the Republic of Ireland, 1973-1983[J] . Harry McGeehan.Journal of Transport Economics and Policy . 1993 (1)
- [2] Measuring technical efficiency in European railways: A panel data approach[J] . Henry-Jean Gathon,Sergio Perelman.Journal of Productivity Analysis . 1992 (1)
- [4] Productivity in U.S. Railroads, 1951-1974[J] . The Bell Journal of Economics . 1980 (1)