Should health care provision be public, private, or both? We consider this question in a setting where people differ in their earnings capacity and face some illness risk. We assume that illness reduces an individual's time endowment when waiting for treatment. Treatment can be obtained in a...

Rochet (1989) showed that with distortionary income taxes, social insurance is a desirable redistributive device when risk and ability are negatively correlated. This finding is reexamined when ex post moral hazard and adverse selection are included, and under different informational...

In this paper we discuss the interest of applying differential co-payment rates across alternative medical treatments. Two treatment strategies are considered: a long term strategy in which patients apply preventive measures before knowing if they have the disease and an emergency strategy where...

Using the standard non linear income and commodity taxation framework, we examine the optimal policy to be adopted when the same labour disutility can receive two opposite interpretations: taste for leisure and activity limitation. In the absence of complete information about individual...

We model long-term care insurance in an optimal taxation framework. Every adult decides upon the amount and type of care he purchases for his dependent parent. We consider two alternatives: nursing-home care provided by the government and home-care paid by the child with some lump-sum subsidy by...