The authors empirically test the political-economic hypothesis that institutions have played major roles not only in the generation of technical change, but also in improving micro-units' ability to realize the potential gains from such changes. After a look at the literature on 'Green...

We review nonparametric estimation of efficiency and productivity, by which we mainly mean activity analysis, or data envelopment analysis (DEA). The review covers topics that we hope will be of special interest to those doing research in the realm of agriculture. We also include a brief...