This paper describes the approach to investment in rail infrastructure in four different European countries (Great Britain, France, Germany, and the Netherlands) with a view to understanding whether and how these countries differ in their approach to the sustainability of investment in...

Policy makers in commodity-exporting countries have faced increasing challenges in the past two years, in the face of reduced demand from China and uncertain economic recovery in developed economies. Zambia is no exception. Falling copper prices and a power crisis have contributed to an economic...

This paper analyses technical efficiency of local electricity distribution in Italy (1994, 1996) by using both econometric (deterministic frontier, stochastic frontier) and linear programming (Data Envelopment Analysis) tools. Cross-sectional data were examined with respect to:(a) ENEL - the...