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

This text refers to the Walras' views of what can be called the "implementation" of equilibrium, i.e the passage from the initial data of the economy to equilibrium prices (where the emphasis is put not on informational but rather, as in Walras on computational problems). After a brief...