"This paper focuses on understanding the determinants of the performance of subprime mortgages. A growing body of literature recognizes the substantial lag between the time that a borrower stops making payments on a mortgage and the termination of the loan. The duration of this lag and the...

Paul Krugman’s essay “Who Was Milton Friedman?” seriously mischaracterizes Friedman’s economics and his legacy. In this paper we provide a rejoinder to Krugman on these issues. In the course of setting the record straight, we provide a self-contained guide to Milton Friedman’s impact...

We study the interaction of multiple large economies in dynamic stochastic general equilibrium. Each economy has a monetary policymaker that attempts to control the economy through the use of a linear nominal interest rate feedback rule. We show how the determinacy of worldwide equilibrium...

We formalize the Keynesian insight that aggregate demand driven by sentiments can generate output fluctuations under rational expectations. When production decisions must be made un- der imperfect information about aggregate demand, optimal decisions based on sentiments can generate stochastic...