The productive efficiency of a firm can be seen as composed of two parts, one persistent and one transient. The received empirical literature on the measurement of productive efficiency has paid relatively little attention to the difference between these two components. Ahn, Good and Sickles...

Energy efficiency policy is seen as a very important activity by almost all policy makers. In practical energy policy analysis, the typical indicator used as a proxy for energy efficiency is energy intensity. However, this simple indicator is not necessarily an accurate measure given changes in...

Over the past few years, the price of electricity on the European market has decreased significantly and thereby the competitiveness and profitability of the Swiss hydropower firms has deteriorated. With one possibility to improve the sector’s competitiveness being an increase in the firms’...

This paper estimates the level of transient and persistent efficiency in the use of electricity in Swiss households using the generalized true random effects model (GTREM). A panel dataset of 1, 994 Swiss households from 2010 to 2014 collected via a household survey is used to estimate an...