This study focuses on the semiparametric efficient estimation of random effect panel models containing AR(1) disturbances. We also consider such estimators when the effects and regressors are correlated (Hausman and Taylor, 1981). One motivation for such a model is the need to estimate a...

This paper addresses estimation and decomposition of total factor productivity (TFP) change. Usually TFP change is decomposed into technical change and scale effects. If inefficiency exists, it also contributes to productivity change. Here we decompose productivity change into efficiency change...