I characterize optimal monetary and fiscal policy in a stochastic New Keynesian model when nominal interest rates may occasionally hit the zero lower bound. The benevolent policymaker controls the short-term nominal interest rate and the level of government spending. Under discretionary policy,...

This paper develops and estimates a multi-sector sticky-price model with heterogeneous households and incomplete markets. I show that household heterogeneity amplifies the persistence and volatility of business cycle fluctuations by generating strategic complementarities in firms' pricing...

We quantify and explain the firm responses and worker impacts of foreign demand shocks to domestic production networks. To capture that firms can be indirectly exposed to such shocks by buying from or selling to domestic firms that import or export, we use Belgian data with information on both...

This paper estimates the output cost of fighting inflation-the sacrifice ratio-for the South African economy using quarterly data spanning the period 1998Q1-2019Q3. To compute the sacrifice ratio, the structural vector autoregressive model developed by Cecchetti and Rich (2001) based on...