The ratio (RMR) is the standard measure of sex differentials in mortality. It is commonly known that the RMR was historically small and increased throughout the 20th century. However, numerical properties might account for the trend in the RMR rather than sex differences in risk factors. In this...

The European welfare regimes face two sets of challenges. One internal, specific for the welfare state itself, and the other external, imposed by changing economic, political and economics conditions. The first challenge lies in the growing gap between the rigid welfare state design and flexible...

In this paper, we use recent robust non-parametric techniques in the European retail sector. By means of a database of firms in the European retail sector (four-digit NACE 5211) in five European countries over the period 1998–2006, we apply data envelopment analysis and compare the analysis...

This paper investigates the fractal behaviour of the electric spot prices traded in some European markets. Whereas the analysis leads to exclude the presence of multifractality, we provide evidence supporting the conclusion that the multifractional Brownian motion can represent a good candidate...