In an extended variant of the life-cycle hypothesis, saving behaviour is shown to depend crucially on the interaction between two preference parameters : γ, which represents risk attitudes (aversion, prudence…), and δ, the rate of time depreciation. Hence, the predictions of four specific...

Dans un contexte de vieillissement de la population, différents scenarii sont envisagés pour réformer l'organisation et le financement de la prise en charge des personnes âgées dépendantes. La place de la prévoyance individuelle dans le financement de la dépendance est à ce titre...

This paper examines the reasons citizens would choose to accept or non-accept/reject public e-services. The approach taken was based on the model of acceptance of technology in households (MATH) and on the two factors theory. The research model was measured with data gathered in two phases, via...

Trust is a crucial factor in e-commerce. However, consumers are less likely to trust unknown Web sites. This study explores how less-familiar e-commerce Web sites can use branding alliances and Web site quality to increase the likelihood of initial consumer trust. We use the associative network...

We study a dynamic and in nite{dimensional model with Knightian uncertainty modeled by incomplete multiple prior preferences. In in- terior e cient allocations, agents share a common risk{adjusted prior and use the same subjective interest rate. Interior e cient alloca- tions and equilibria...

This article provides an overview of the literature on the psychological value of time. It discusses various determinants of the discount rate and the possibility of hyperbolic discounting. The historical approach helps us to trace the origins of the concept of psychological value of time. This...

Ce chapitre explore les déterminants interne et externe de l'achat d'un logement, mobilisant les concepts de psychologie, psychanalyse, d'urbanisme de sociologie et d'économie afin de mieux comprendre les relations entre un individus et son logement. Il présente d'une part les déterminants...