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...

Our very simple two agent New Keynesian model is highly stylised. It consists of an entrepreneur, who owns the economies' firms, consumes and saves, but does not work (or does not receive wage income), while the worker consumes and works, but cannot save. The allocation of the ability to save...