The purpose of this paper is to assess comparative efficiency in water and sanitation sector in Brazil. We run a Sthocastic Frontier Analysis model for a panel of 127 providers, covering more than 70% of urban population of the country. We search and find an explanation for cost efficiency, and...

We analyze by means of frontier methods (input requirement function) the relative energy efficiency of urban water and sanitation providers in Brazil. We estimate energy savings through measures the sector could implement on variables which control. We find a 63 percent efficiency average, with...

In the whole world there are strong discussions on how to yield a more equitable access and a more efficient provision. One issue linked to efficiency is the achievement of scale economies in the industry, and the optimal dimension of water and sanitation providers. Changes in the industrial...

Este trabajo tiene como objetivo efectuar estimaciones econométricas sobre eficiencia relativa de empresas prestadoras de agua y saneamiento sobre una muestra en América Latina, con datos de panel para el período 2003-2008. El estudio procura como importante subproducto, aportar información...