Cet article fournit quelques resultats de previsions de pics de pollution d'ozone pour la station de mesure de Vitrolles, situee dans l'Aire Metropolitaine Marseillaise. Nous presentons d'abord la methode de regression par arbre et une idee de stabilisation par Agregatopm par Bootstrap. Ces...

This paper examines interactions between education policy and growth. The analysis is carried out in an OLG model with two types of individuals: skilled and unskilled.

This article focuses on the scope for indeterminacies that originate from global capital stock externalities in the technological set of the reference model of the multisector optimal growth literature. These phenomena are shown to introduce a new class of intersectoral dependency in competitive...

This paper introduces a new methodology to target direct transfers against poverty. Our method is based on observable correlates and on estimation methods that focus on the poor. Using data from Tunisia, we estimate ÔfocusedÕ transfer schemes that improve anti-poverty targeting performances....

The paper reports on experiments designed to compare the performance of two incentive mechanisms in public goods problems. One mechanism rewards and penalizes deviations from the average contribution of the other agents to the public good (tax-subsidy mechanism). Another mechanism allows agents...

This paper examines the extent and evolution of intergenerational earnings mobility in France. We use data from five waves of the French Education-Training-Employment (FQP) surveys covering the period 1964 to 1993. Our estimation procedure follows Björklund and Jäntti (1997)’s two-sample...