In this paper we econometrically analyze the impact of several economic, environmental and social determinants for the average per capita demand for water and sewage in about 600 water supply areas in Germany. Besides prices, income and household size, we also consider the effects of population...

This study applies financial portfolio theory to determine efficient electricity-generating technology portfolios for the United States and Switzerland, adopting an investor point of view. Expected returns are defined by the rate of decrease of power generation cost (with external costs...

This study applies financial portfolio theory to determine efficient electricity-generating technology mixes for Switzerland and the United States. Expected returns are given by the (negative of the) rate of increase of power generation cost. Volatility of returns relates to the standard...