We study a financial market populated by heterogeneous fundamentalists, whose decisions are driven by ``animal spirits''. Each agent may have optimistic or pessimistic beliefs about the fundamental value, which are selected from time to time on the basis of an evolutionary mechanism. The...

We revisit the analysis of subscription equilibria in a full fledged general equilibrium model with public goods. We study the case of a nonprofit, or public, firm that produces the public good using private goods as inputs, which are to be financed by voluntary contributions (subscriptions) of...

Most of the literature on government intervention in models of voluntary public goods supply focuses on interventions that increase the total level of a public good, which is considered to be typically underprovided. However, an intervention that is successful in increasing the public good level...

Models on private provision of public goods typically involve a single private good and linear production technology for the public good. We study a model with several private goods and non-linear (strictly concave) production technology. We revisit the question of “neutrality” of government...