The historical behavior of interest rates and growth rates in U.S. data suggests that the government can, with a high probability, run temporary budget deficits and then roll over the resulting government debt forever. The purpose of this paper is to document this finding and to examine its...

Hysteresis is central to long-run unemployment movements in many countries. This essay addresses two broad issues. The first is whether there is clear evidence of hysteresis effects. To put it differently, can we reject the hypothesis that the NAIRU, and hence the long run behavior of...

This paper examines the optimal allocation of risk in an overlapping-generations economy It compares the allocation of risk the economy reaches naturally to the allocation that would be reached if generations behind a Rawlsian 'veil of ignorance' could share risk with one another through...

This paper examines the choice of a monetary policy rule in a simple macroeconomic model. In a closed economy, the optimal policy is a ‘Taylor rule’ in which the interest rate depends on output and inflation. In an open economy, the optimal rule changes in two ways. First, the policy...

Sticky-price models with rational expectations fail to capture the inertia in US inflation Models with backward-looking expectations capture current inflation behavior but are unlikely to fit other monetary regimes This paper seeks to overcome these problems with a near-rational model of...