This article analyses the efficiency of French nuclear energy plants belonging to EDF-electricity of France from 2004 to 2008 with a DEA-Data Envelopment Analysis model. The <inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" id="ILG0001" xlink:href="raec_a_892199_ilg0001.gif"/>-convexity model is used to investigate the technical efficiency of a representative sample of nuclear plants. The results...

This paper analyses productivity growth and the nature of techni- cal change in a sample of Portuguese hydroelectric generating plants over the period 2001 to 2004. In a ¯rst step, we employ the Luen- berger productivity indicator to estimate and decompose productivity change. The results paint...