Milcent, Carine; Dormont, Brigitte - In: Revue Française d'Économie 17 (2002) 2, pp. 117-142
[eng] The purpose of this paper is to study hospital costs in the event of introduction of a Prospective Payment System in France. We use a nested three dimensional database (stays- hospitals-years) in order to identify hospital unobservable heterogeneity and a transitory moral hazard component...