We estimate the effects of fiscal policy on the labor market in US data. An increase in government spending of 1 percent of GDP generates output and unemployment multipliers, respectively, of about 1.2 percent (at one year) and 0.6 percentage points (at the peak). Each percentage point increase...

Deviations from long-run price stability are optimal in the presence of endogenous entry and product variety in a sticky-price model in which price stability would be optimal otherwise Long-run inflation (deflation) is optimal when the benefit of variety to consumers falls short of (exceeds) the...

If the monetary authority lacks commitment, a monetary union can dominate flexible exchange rates. With forward-looking staggered pricing, inertia in the terms of trade—induced by a fixed exchange rate—is a benefit under discretion, since it acts like a commitment device. By trading off...

Econometric evidence suggests that, in response to monetary policy shocks, durable and non-durable spending co-move positively, and durable spending exhibits a much larger sensitivity to the shocks. A standard two-sector New Keynesian model with perfect financial markets is at odds with these...