In this paper we propose a generalization of the comonotonicity notion by introducing and exploring the concept of conditional comonotonicity. We characterize this notion and we show on examples that conditional comonotonicity is the natural extension of the concept of comonotonicity to dynamic...

To raise children, to guarantee a certain way of life, and to retire with a certain amount of capital can be accomplished in many different ways, particularly when couples are faced with the possibility of unemployment or poor returns to savings while trying to balance current and future...

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...

Kimball, 1990a and Kimball, 1990b established that income risk increases the marginal propensity to consume if and only if absolute prudence decreases. We characterize decreasing and increasing multivariate prudence and show that a multidimensional risk increases the marginal propensity to...

Following recent developments in the literature about portfolio choices (Flavin and Yamashita, 2002; Cocco, 2004; Yao and Zhang, 2005), this paper analyses the empirical link between stockholding and housing wealth. We use the French wealth survey (Enquête Patrimoine2004, Insee) that give us detailed...

L’objectif de notre travail est de quantifier le motif de précaution des épargnants français face à des risques portant sur leurs revenus futurs à partir des données de l’enquête Patrimoine 2004 de l’Insee.

L’actualité récente liée à la crise économique et financière soulève des questions importantes sur ses conséquences en matière patrimoniale et sur les comportements d’épargne des Français.