The heterogeneity of businesses and households impacts aggregate economic fluctuations and, in turn, is shaped by aggregate fluctuations. This view has emerged over the last decade with strong implications for the transmission and conduct of monetary policy. Our thematic review focuses on key...

This paper shows that increased volatility of Örm-level productivity can push the nominal interest rate to its lower bound with large amplification effects on macroeconomic aggregates. The framework combines a simple canonical Önancial accelerator model, time varying risk shocks, and a zero...

We develop a dynamic general equilibrium model to analyze the effects of central bank purchases of government bonds by investigating the following three questions: Under what conditions are these purchases socially desirable, what incentive problems do they mitigate, and how large are these...