Par un modele aussi simple que possible, nous essayons de capturer les raisons pour lesquelles plus de 40 millions d'Americains (Hellander et al., 1995) renoncent a s'assurer contre la maladie. Nous utilisons ensuite notre modele pour evaluer les effets qu'aurait eue l'introduction , prevue dans...

We study how optimal contracts are modified when the agent has the possibility to acquire information before the contract is offered to him. We consider a situation in which this information is always available to the agent just before producing. Therefore, prior information acquisition is...

The shares of the public sector in health insurance provision varies enormously from country to country. It is larger in more redistributive countries. We provide a possible theoretical explanation for these facts: a public health insurance system, financed by taxes, can be an efficient means of...