Jondrow J, P Schmidt and is Materov (1982). “On the Estimation of Technical Inefficiency in the Stochastic Frontier Production Function Model.” J Econometrics 19: 233-238.
Jondrow J, P Schmidt and is Materov (1982). “On the Estimation of Technical Inefficiency in the Stochastic Frontier Production Function Model.” J Econometrics 19: 233-238.