This paper discusses the supply conditions for economic growth in terms of potential GDP estimated by the production function approach for France, Germany and Italy for the 1986:2003 period. The aim of this study is twofold: first, we keep a consistent framework as regards national account...

We consider the VaR associated with the global loss generated by a set risk sources. We propose a sequence of simple models incorporating progressively the notions of contagion due to instantaneous correlations, of serial correlation, of evolution of the instantaneous correlations, of volatility...