Cooperatives and Labour Societies are both Social Economy enterprises, but with noticeable differences, some of which are imposed by legislation in Spain. The aim of this paper is to study whether such differences affect their management capacity and, in particular, efficiency. In order to do...

In this paper adjusted input-specific scores of technical efficiency are computed for a sample of Spanish water utilities. Performance is adjusted by netting out efficiency scores from the effect of operating environments and statistical noise. The results show that computation of adjusted...

Quality is a dimension of water services that has been repeatedly omitted in the study of performance of water utilities. In this paper, we make use of Data Envelopment Analysis techniques (DEA) to compute both conventional quantity-based and quality-adjusted indicators of technical efficiency...