We develop and estimate a model of dynamic interactions where conmmitment is limited and contracts are incomplete to explain the patterns of income and consumption in village economies of less developped countries. Households can insure through both formal contracts and informal agreements, that...

The object of this paper is to discuss on-line intermediation from the perspective of two-sided markets. It builds a simple model of the intermediation activity when trading partners are involved in a commercial relationship and uses it to illustrate some of the results that emerge in the...

It is shown that if there is adverse selection on seller’s ability in experience goods market, credible communication can be sustained by reputation motives in spite of the inherent conflict of interests between sellers and buyers. In the absence of “commitment” types, reputation motives...

We investigate in this paper the attitudes toward risk of bettors in British horse races. The model we use allows us to go beyond the expected utility framework and to explore various alternative proposals by estimating a multinomial model on a 34443-race data set. We find that rank-dependent...

We determine the optimal health policy mix when the average utility of patients increases with the supply of drugs available in a therapeutic class. Health risk coverage rely on two instruments, copayment and reference pricing, that affect the supported risk composed by health expenses and...

We consider a network that intermediates traffic between free content providers and consumers. While consumers do not know the traffic cost when deciding on consumption, a content provider knows his cost but may not control the consumption. We study how pricing consumers' and content providers'...

This paper discusses the effects of horizontal mergers on innovation. We rely on the existing academic literature and our own research work to present the various positive and negative effects of mergers on innovation. Our analysis shows that the overall impact of a merger on innovation may be...