Simar L and PW Wilson (2007). “Estimation and Inference in Two-Stage, Semi-Parametric Models of Production Processes.” J Econometrics 136(1): 31-64.
Simar L and PW Wilson (2007). “Estimation and Inference in Two-Stage, Semi-Parametric Models of Production Processes.” J Econometrics 136(1): 31-64.