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Working Paper
Stagflation and Topsy-Turvy Capital Flows
Are unregulated capital flows excessive during a stagflation episode? We argue that they likely are, owing to a macroeconomic externality operating through the economy’s supply side. Inflows raise domestic wages through a wealth effect on labor supply and cause unwelcome upward pressure on marginal costs in countries where monetary policy is trying to drive down costs to stabilize inflation. Yet, market forces are likely to generate such inflows. Optimal capital flow management instead requires net outflows, suggesting topsy-turvy capital flows following markup shocks.
Working Paper
Government Debt Limits and Stabilization Policy
We evaluate alternative public debt management policies in light of constraints imposed by the effective lower bound on interest rates. Replacing the current limit on gross debt issued by the fiscal authority with a limit on consolidated debt of the government can ensure that output always reaches its potential, but it may permit excess government spending when the economy is away from the effective lower bound. The welfare-maximizing policy sets the gross debt limit to the level implied by Samuelson (1954), while the central bank finances government spending with money when the economy is at ...
Working Paper
How Should Monetary Policy Respond to Housing Inflation?
A persistent rise in rents has kept inflation above target in many advanced economies. Optimal policy in the standard New Keynesian (NK) model requires policy to stabilize housing inflation. We argue that the basic architecture of the NK model—that excess demand is always satisfied by producers—is inappropriate for the housing market, and we develop a matching framework that allows for demand rationing. Our findings indicate that the optimal response to a housing demand shock is to stabilize inflation in the non-housing sector while disregarding housing inflation. Our results hold exactly ...
Working Paper
On the Theoretical Efficacy of Quantitative Easing at the Zero Lower Bound
We construct a monetary economy in which agents face aggregate demand shocks and hetero- generous idiosyncratic preference shocks. We show that, even when the Friedman rule is the best interest rate policy, not all agents are satiated at the zero lower bound. Thus, quantitative easing can be welfare improving since it temporarily relaxes the liquidity constraint of some agents, without harming others. Moreover, due to a pricing externality, quantitative easing may also have beneficial general equilibrium effects for the unconstrained agents. Lastly, our model suggests that it can be optimal ...