The German potable water supply industry is regarded highly fragmented, thus preventing efficiency improvements that … of 364 German water utilities in 2006, applying Data Envelopment Analysis, to analyze the potential efficiency gains from … hypothetical mergers between water utilities at the county level. A conditional efficiency framework is applied to account for the …

efficiency. Homotheticity is a useful restriction or assumption but data rarely satisfy testable conditions. To overcome this … problem, this article provides a way to estimate homothetic efficiency of consumption choices by consumers. The basic … efficiency index suggested is similar to Afriat’s (1972) efficiency index and Varian’s (1993) violation index. It generalises …

We provide a nonparametric revealed preference approach to demand analysis based on homothetic efficiency … homothetic efficiency of consumption choices. It generalises Heufer's (2013) two-dimensional concept to arbitrary dimensions and …

Using the US states plus the District of Columbia, output-oriented innovative efficiency scores are computed using data … the share of revenues collected from institutions of higher learning all correlate with greater efficiency …

We compute DEA efficiency scores and Malmquist indexes for a panel data set comprising 68 Portuguese public hospitals … are significant fluctuations among NHS hospitals in terms of individual efficiency scores from one year to the other …

This paper analyses region-level technical efficiency in the European Union over the 1995 to 2007 period. We propose … of production congestion. We also find that there is a strong geographic pattern of European regional efficiency, and … that the levels of technical efficiency have converged during the period under analysis …

This study intends to understand how disaster is related to countries' production efficiency using a sample of 137 …. This finding suggests that the effect on countries' production efficiency is positive for lower number of disaster events …

The issue of quality and its relationship with efficiency and performance is a crucial operational issue in many fields …

Nonparametric efficiency analysis has become a widely applied technique to support industrial benchmarking as well as a …