Format
A dataframe containing :
- va
- output
- labor
- labor input
- capital
- capital input
Source
Aigner, D., K. Lovell and P. Schmidt (1977) “Formulation and estimation of stochastic frontier production models”, Journal of Econometrics, 6, 21-37. Hildebrand, G. and T. Liu (1957) Manufacturing production functions in the United States, Ithaca, N.Y.: Cornell University Press.