Total factor productivity (TFP) growth measures usually focus on a certain direction of optimization and ignore the general setting encompassing the input and output orientations simultaneously. This paper uses the generalized Luenberger-Hicks-Moorsteen (LHM) TFP indicator which is additively...

The overall goal of this study is to measure the effect of the impact that genetically modified cotton varieties have had on the production efficiency of small holders in farming communities in China. We also find that the adoption of Bt cotton varieties leads to a significant decrease in the...