This study investigated the efficiency and productivity change of a sample of food distribution units (MERCAs) in Spain … productivity change. The mean pure sales efficiency index was high, around 0.8, the mean scale index being 0,9. As appears from the … over the 1.997-1.999 period, applying non-parametric frontier methodology in a sales efficiency framework. We specified a …

effort to improve production efficiency. In this paper we study the impact of the reform on efficiency of fossil-fired power … show that: 1) the total factor productivity (TFP) growth mainly comes from technological change; 2) the technical … efficiency of previously SPC-managed power plants is converging to that of better-performing independent power producers (IPPs …