Hospital heterogeneity is a major issue in defining a reimbursement system. If hospitals are heterogeneous, it is difficult to distinguish which part of the differences in costs is due to cost containment efforts and which part cannot be reduced, because it is due to other unobserved sources of...

This paper studies the relationship between the diffusion of innovative procedures for the treatment of heart attack and distributions of the cost and length of hospital stays. Using a sample of 5,681 stays observed in French public hospitals, we use microsimulation techniques to highlight...