We aim to shed light on the precise way in which an innovation in the field of cell therapy comes about. We develop a non-cooperative bargaining model between two categories of agents who possess scientific information which is a priori different and who have to find an agreement as to the...

We consider data on jewellery sold in English public auctions between June 1993 and May 1994 at Credit Municipal de Paris. We present the underlying model of this market derived from a "hedonic price equation".