We compare methods to solve for optimal policies in heterogeneous agent-models with and without aggregate shocks, considering the optimal provision of a public good in a heterogeneous-agent economy. We first use a method based on transitions that we modify to neutralize the effect of the initial...

This paper evaluates the risk of zombification of the French economy during the sanitary crisis, as a result of the unconditional financial support provided to firms by public authorities. We develop a simple theoretical framework based on a partial-equilibrium model to simulate the liquidity...

This paper evaluates the risk of zombification of the French economy during the sanitary crisis, as a result of the unconditional financial support provided to firms by public authorities. We develop a simple theoretical framework based on a partial-equilibrium model to simulate the liquidity...