In the chapter 4 of their book "Endogenous Growth Theory", P. Aghion and P. Howitt introduce environemental pollution in an aggregate Schumpeterian model and they characterize the optimal path. In this paper , we study the equilibria in a decentralized compatible with their model. First study...

We analyze a model related to the strategic hereding literature where a second expert maximises his expected second period vvalue by conforming witj a first expert ("herding"). In contrast to the herdinfg literature we assume that an agent is most valuable if he is the only smart agent. We...

As the structure of consumer preferences plays a crucial role in the analysis of differentiated product markets, estimation of demand systems is a sensitive task. This paper contributes to this project in two ways. First, we develop a method to deal with the simultaneous choice of an equipment...

This paper provides a survey on optimal insurance when insurers and policy holdes have symmetric information about the distribution of potential damages. When transaction costs are proportional to transfers, we show that 1)there is at least one state of the world where no indemnity is paid, 2)...

We consider the problem of the optimal use of a good whose consumption can produce damages in the future. Potential damages are proportional to the accumulated lifetimeconsumption of the good. Scientific progress is made over time that provides information on the distribution of the intensity of...

This paper investigates the determinants of the structure of the banking industry by fitting a monopolistic competition model to a sample of banks drawn from eight EEC countries over 1989-1993. In the theoretical model, banks decide strategically both entry and the branching size of thier...