This paper aims to analyse the impact of port demand variability on the allocative efficiency of Spanish port … authorities during the period 1986-2007. From a distance function model we can obtain a measure of allocative efficiency using two … different approaches: error components approach and parametric approach. We model the variability of port demand from the …

technical efficiency using a stochastic ray frontier production model A possible model extension is to incorporate a technical … efficiency effects model to allow estimation of the effects of various explanatory variables on technical efficiency. An … empirical application using Swedish health care data reveals a significant positive effect on technical efficiency of an …

We analyze the technical efficiency of German and Swiss urban public transport companies by means of SFA. In transport …

allows estimation of production frontiers and distance functions (technical efficiency) for multiple output technologies …

account; there is no statistically significant difference in efficiency levels across schools regarding public …

efficiency of enterprises in the international electricity, gas and telecom-munications industries. The results support the … complex stochastic frontier models in estimating the technical efficiency of enterprises. …

productivity index and the Fisher index. The two indices are used to measure changes in technology, profitability, efficiency, and … profitability, efficiency and productivity. …

frontier approach is used to estimate an input distance function and to evaluate production efficiency. Results show the … or other cash crops results in increased efficiency as a result of the economies of complementarity, while production of … coffee with other cash crops leads to lower efficiency. Factors contributing to higher efficiency included higher population …