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...

When side marketing trade is perfect, linear taxation of retradeable commodities is the only scheme that survives attempts to arbitrage. In this paper, the author discusses tax schemes when side trading is imperfect in the sense that commodities can only be re-exchanged within coalitions no...