Almost every country in the world has sophisticated systems to prevent banking crises. Yet such crises--and the massive financial and social damage they can cause--remain common throughout the world. Does deposit insurance encourage depositors and bankers to take excessive risks? Are banking...

The classical Bagehotu0092s conception of a Lender of Last Resort (LOLR) that lends to illiquid banks has been criticized on two grounds: on the one hand, the distinction between insolvency and illiquidity is not clear cut; on the other a fully collateralized repo market allows Central Banks to...

We build a model of credit card pricing that explicitly takes into account credit functionality. We show that a monopoly card network always selects an interchange fee that exceeds the level that maximizes consumer surplus. If regulators only care about consumer surplus, a conservative...

The main objective of this article is to show that the "synthetic approach" initiated by Lise Salvas-Bronsard (1972) can be useful to reexamine the quantitative analysis of portfolio management. We pay a tribute to her work in showing that it is useful in allowing the interaction of different...

The intensification of competition on insurance markets is giving more and more audience to the principle of premiums personalization. Antagonistic to the traditional principe of risks mutualization, this new trend aims at "equitable" insurance tariffs, i.e. tariffs such that premiums are...

We consider a service whose quality is variable and from which every consumer consumes either one unit or nothing. Production costs, both fixed and variable, do not depend on quality: a higher quality service is no more costly to produce than a lower quality one. On the consumption side however,...

Using an exhaustive database on academic publications in mathematics, we study the patterns of productivity by world mathematicians over the period 1984-2006. We uncover some surprising facts, such as the absence of age related decline in productivity and the relative symmetry of international...

[fre] Cette note vise à mettre en place les principaux éléments d'une analyse microéconomique de systèmes publics d'assurance maladie. Après avoir mis en évidence les spécificités des dépenses de santé, nous essayons de montrer que le maintien de systèmes d'assurance maladie où le...