This paper solves a real business cycle model with heterogeneous agents and uninsurable income risk using perturbation methods. A second order accurate characterization of agent's optimal decision rules is given, which renders the implications of aggregation for macroeconomic dynamics...

"We study a dynamic-contracting problem involving risk sharing between two parties - the Proposer and the Responder - who invest in a risky asset until an exogenous but random termination time. In any time period they must invest all their wealth in the risky asset, but they can share the...

"We measure the impact of individual managerial beliefs on corporate financing. First, managers who believe that their firm is undervalued view external financing as overpriced, especially equity. We show that such overconfident managers use less external finance and, conditional on accessing...