This paper studies the political support for social health insurance when a private alternative exists. Individuals differ only by their risk. For the more realistic distributions of risk, a majority of agents do not want public insurance. However, in a representative democracy, or in a direct...

In this paper we set up a political economy model of a two-country world economy, where an international agreement on the provisions of public goods generating cross-border externalities, such as environment protection, subject to feasibility, efficiency and equity constraints, has to be...

In this article sharp asymptotics for the solution of nonhomogeneous Kolmogorov, Petrovskii and Pisciunov equation depending on a small parameter are considered when the initial condition is the characteristic function of a set . We show how to extend the Ben Arous and Rouault's result that...