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 …

In this paper we take up the problem of positive, affine data translation within a Data Envelopment Analysis (DEA …

emissions from burning biomass. We apply the network DEA model to measure the revenue efficiency of forest production of Swedish … Swedish forests, using a network data envelopment analysis (DEA) model to estimate the technology for biofuel and other forest … persistent economic inefficiencies of forest production in some counties, reducing the overall efficiency of Sweden's forest and …