- Tytuł:
- Production Frontiers and Panel Data: An Application to U.S. Class 1 Railroads.
- Autorzy:
- Temat:
-
INDUSTRIAL efficiency
RAILROADS
PUBLIC utilities
TRANSPORTATION - Źródło:
- Journal of Business & Economic Statistics; Apr87, Vol. 5 Issue 2, p249-255, 7p
- Terminy geograficzne:
- UNITED States
Czasopismo naukowe