This paper develops a parsimonious model of individual exposure and of public health policy that can be used to study the evolution of an epidemic and the optimal use of lockdown policies and other non-pharmaceutical interventions. At the heart of individual exposure choices are the trade-offs...

We study the effects and transmission channels of non-standard monetary policy in the euro area using structural vector autoregressions, identified with an external instrument. The instrument is the common component of unexpected variations in euro area sovereign yields vis-à-vis Germany for...

Forward guidance as a tool of unconventional monetary policy can be highly efficient to support aggregate demand and to steer the economy out of the zero lower bound (ZLB). However, the effect that stimulates the economy can give rise to a time-inconsistency problem: if the central bank promises...

Recent work on financial frictions in New Keynesian models suggest that there is a sizable spread between the risk-less interest rate and the borrowing rate. We analyze the optimal policy mix of monetary and fiscal authorities in a currency union with a country-specific credit spread by...

This paper explicitly models strategic interaction between two independent national fiscal authorities and a single central bank in a simple New Keynesian model of a monetary union. Monetary policy is constrained by the zero lower bound on nominal interest rates. Coordination of fiscal policies...

This paper develops a model of a fiscally sound monetary union and analyses central bank purchases of long-term debt (QE). Employing the portfolio balance channel, we show that there exists an interest rate rule augmented by QE at the lower bound which replicates the equilibrium allocation and...

This paper examines the effects of changes in uncertainty of household income on the macroeconomy. Households face substantial idiosyncratic income risk that is up to two orders of magnitude larger than total factor productivity uncertainty, very persistent and varies substantially over the...