The analysis of horizontal mergers hinges on a tradeoff between unilateral effects and efficiency gains. We examine the role of uncertainty in this tradeoff. In theory, the attitude towards uncertainty depends on the curvature of the social objective function. On the one hand, adjustment...

[eng] Within a vertical relationship between a producer and a retailer we study each side’s incentives to certify the quality of a product. Without certification, consumers are not informed about quality. We show that this certification issue generates new conflicts between producer and...

A viager real estate transaction consists in selling a property in return for a down payment and a life annuity that the buyer has to pay until the seller dies. This paper tests for the presence of asymmetric information in this market using notarial data on transactions in Paris between 1993...

Quite often, a firm has to decide between investing in a safe project ("small") where rewards and losses remain moderate and a risky alternative ("big") where the rewards and the losses are larger. We study such a choice in a context where the probability of success depends both on the intrinsic...

We constructed a database containing 1 540 economics researcher working in France in 1998. For each scholar we have his/her current affiliation his/her professional status and the list of all his/her publications as referenced by "EconLit." Twelve indices, taking or not into account the journal...