We reformulate Grandmont's and its successors' notion of behavioral heterogeneity such as to get the exact insensitivity of the aggregate budget share function with respect to changes in prices and income, instead of a mere approximate insensitivity. We propose a non parametric set-up such that,...

[fre] Strategic incompleteness in competitive market games. . We study the correlated equilibria of competitive strategic market games, i.e., games for which pure Nash equilibria exactly implement the Walrasian equilibria. We show that Arrow-Debreu economies are strategically incomplete, even if...

This paper defends the idea that Western modernity can be characterized by the rivalry of two institutions, the state and the market, competing for the charge of maintaining security against social violence while both are major sources of violence. It is so because the possibility of violence...

This paper defends the idea that Western modernity can be characterized by the rivalry of two institutions, the state and the market, competing for the charge of maintaining security against social violence while both are major sources of violence. It is so because the possibility of violence...