determining farmers' efficiency in Ethiopia are having access to the public extension system, participation in off-farm activities …. Annual technical change between 1999 and 2004 is about one percent while annual efficiency change during the same period is …

nonparametric efficiency models. In application, earlier studies have estimated shadow prices at plant, sector and even economy … efficiency models. We first introduce the methodological framework for deriving shadow prices as well as the nonparametric …/parametric efficiency models for calculating their values. A systematic summary of over forty earlier studies in this field is then …

development. The study evaluates impact of technological innovations on estimates of technical, allocative and cost efficiency … analysis of technical, allocative and cost efficiency with respect to technological innovation and other policy factors are … education, access to credit and extension among others could promote technical, allocative and cost efficiency, reduce yield …

efficiency of a sample of boats which catch hake in Asturias. In this activity the catches of species different from hake are … variables, the efficiency indexes are calculated in a second stage using the individual fixed effects. The empirical analysis …

measures of productive efficiency. Although the methodology is illustrated in terms of technical efficiency measured by output … efficiency scores is assumed to result from variation in empirical approximations to the true boundary of the production set. The … bootstrap procedure also corrects for bias inherent in non parametric efficiency estimators. …

, conduct, and attribute regulation. The standard we use to evaluate the efficiency and effectiveness of regulations creating … regulations. To illustrate the utility of our framework, we evaluate recent deregulatory efforts in the telecommunications …

and political data to analyse both the determinants and the impact of telecommunications policies. We find that …

We take advantage of a quasi-natural experiment in Peru by which the privatized telecommunications company was required …