Debt contracts with ex-ante and ex-post asymmetric information: an example.

We consider a simple model of lending and borrowing combining two informational problems: adverse selection and costly state verification. Our analysis highlights the interaction between these two informational problems. We notably show that the higher the monitoring cost, the less discriminating the optimal menu of contracts is.debt contracts, diversity of opinions, screening, costly monitoring, pooling.

Mechanism Design With Ambiguous Communication Devices

This paper considers mechanism design problems in environments with ambiguity-sensitive individuals. The novel idea is to introduce ambiguity in mechanisms so as to exploit the ambiguity sensitivity of individuals. Deliberate engineering of ambiguity, through ambiguous mediated communication, can allow (partial) implementation of social choice functions that are not incentive compatible with respect to prior beliefs. We provide a complete characterization of social choice functions partially implementable by ambiguous mechanisms

Ran Blake, un homme en noir

Le Laura, de Ran Blake un homme en noir et Jeanne Lee a marqué l’histoire du jazz d’un diamant noir il y aura cinquante ans cette année. Chef-d’oeuvre inaugural, il a largement occulté une oeuvre unique, quelque peu secrète, profondément marquée par l’univers du cinéma noir

Jazz et musique improvisée, de la presse au pressoir

Comment exercer le métier de bibliothécaire musical dans le paysage contrasté que dessinent majors et indépendants ? Entre le rêve des marchands et l’utopie réalisée : parcours dans un champ de mines