Reinhard, Stijn; Lovell, C. A. Knox; Thijssen, Geert - In: American Journal of Agricultural Economics 84 (2002) 4, pp. 1054-1065
In this article, we develop and implement a methodology for analyzing the sources of variation in environmental efficiency across producers. We formulate a two-stage model. In the first stage, we use stochastic frontier analysis to estimate both technical and environmental efficiency. In the...