-level federations and use a stochastic meta-frontier cost function model, which enables the decomposition of meta-frontier efficiency … into two components: technical efficiency and technology gap ratios. The operational differences between JAs in urban and … rural areas are investigated by comparing their efficiency and economies of scale and scope. The main results are summarized …

. This paper deals with a comparative analysis of the efficiency and profitability of cooperatives and IOFs, which takes into … oil producing companies in Andalusia and the methodology used is twofold: DEA, in the case of efficiency, and probit … results point to a superiority of the cooperatives in terms of both efficiency and overall profitability compared to the IOFs …