We give in this paper a formal definition of the concept of weak and strong a-polarization. We give necessary and sufficient conditions for a decision maker who respects the Lorenz order and who behaves in accordance with the expected utility model, with Yaari's dual model or with the...

This paper investigates necessary conditions for an equilibrium to exist on a reinsurance market with short sale constraints. It establishes that, equilibrium, there exists an equivalent probability measure under which the reinsurance premium is the compensator of the jump process describing the...

This paper aims at measuring the robustness of Real Business Cycle international stylized facts across exchange rate regimes. I thus investigate th e impact of the Bretton Woods System and the ERM on the business cycle regularities. Thanks to bootstrap techniques, I measure the accuracy of the...