In order to improve financial access to complementary health insurance (CHI) in France, a CHI voucher program, called Aide Complémentaire Santé (ACS) was introduced in 2005. Four years later, the program covered only 18% of the eligible population. Two main hypotheses are put forward to...

Le dispositif de l’Aide complémentaire santé (ACS) a été mis en place au 1er janvier 2005 afin d’inciter les ménages dont le niveau de vie se situe juste au dessus du plafond CMU-C à acquérir une couverture complémentaire santé (CS). Même si le nombre de bénéficiaires a lentement...

This paper is based on a randomised social experiment conducted in order to understand the low take-up rate of a Complementary health-insurance voucher program for the poorest in France (the Aide Complémentaire Santé: ACS). We explore two of the main hypotheses put forward to explain low...

This paper studies efficient risk-sharing rules for the concave dominance order. For a univariate risk, it follows from a comonotone dominance principle, due to Landsberger and Meilijson (1994) [27], that efficiency is characterized by a comonotonicity condition. The goal of the paper is to...

This paper provides an existence theorem for a class of infinite-dimensional non-convex problems arising in symmetric and asymmetric information models. Sufficient conditions for monotonicity of solutions are also given. The proofs are very simple and rely on rearrangement techniques and the...

This paper explores risk-sharing and equilibrium in a general equilibrium set-up wherein agents are non-additive expected utility maximizers. We show that when agents have the same convex capacity, the set of Pareto-optima is independent of it and identical to the set of optima of an economy in...

This paper considers a class of one dimensional calculus of variations problems with monotonicity and comonotonicity constraints arising in economic and financial models where law invariant concave criteria (or law invariant convex measures of risk) are used. Existence solutions, optimality...

Appréhender le comportement des agents face au risque est une gageure depuis les multiples contestations dont fit l’objet le modèle d’Espérance d’Utilité. Cet article s’appuie sur le cadre de travail de la Prospect Theory initié par Kahneman et Tversky, en apportant un éclairage...

Many empirical and behavioral studies identify a decreasing slope in the term structure of subjective discount rates. Using an experimental methodology based on “free-time” relative comparisons, this paper aims to identify in individual behaviors whether agents see their psychological value...