In a framework of preferences over lotteries, we show that an axiom system consisting of weakened versions of Arrow's axioms has a unique solution. "Relative Utilitarianism" consists of first normalising individual von Neumann-Morgenstern utilities between 0 and 1 and then summing them. This...

We analyze the determinants of the demand for social, private and self-insurance for long-term care in an environment where agents differ in income, probability of becoming dependent and of receiving family help. Uniform social benefits are financed with a proportional income tax and are thus...

The citizen-debate approach, proposed to study the performance of representative democracies, builds on a multi-stage game where the same agents are asked whether or not to become a candidate and, successively, to vote. Consistently, the solution concept adopted in Besley and Coate (1997)...