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...

The Phillips curve has been in the focus of many key debates in macroeconomics ever since Samuelson and Solow (1960) modified the original curve in linking the unemployment rate to the inflation rate. This essay analyzes the links of the modern discussion to the debates over time highlighting...

The present paper studies the effect of monetary policy on inflation and output within a New Keynesian model with Experience-Based Learning (EBL) that renders expectations heterogeneous across age groups. Under EBL, the age-distribution directly affects the composition of aggregate expectations...

This paper provides a new perspective on the exchange rate disconnect puzzle by referring to the expectations building mechanism in foreign exchange markets. Therefore, we analyze the role of expectations regarding macroeconomic fundamentals for expected exchange rate changes. In doing so, we...