We propose a consumption-based capital asset pricing model in which the representative agent's preferences display state-dependent risk aversion. We obtain a valuation equation in which the vector of excess on equity includes both consumption risk as well as the risk associated with variations...

We approach the social choice problem as one of optimal statistical inference. If individual voters or judges observe the true order ona set of alternatives with error, then it is possible to use the set of individual rankings to make probability statements about the correct social order. Given...

The literature on structural breaks focuses on ex post identification of break points that may have occurred in the past. While this question is important, a more challenging problem facing econometricians is to provide forecasts when the data generating process is unstable. The purpose of this...

Un Test de la Stabilite Structurelle des Parametres Estimee Par la Methode des Moments Generalisee (Mmg) Est Presente. le Test Est Predictif, Base Sur L'examen de Previsions Sur un Sous-Echantillon le Test S'applique Sur une Grande Variete de Modeles D'inference Dynamiques, Modeles D'equations...

In this paper, we introduce a new approach for volatility modeling in discrete and continuous time.