Recent empirical literature documents that unexpected changes in the nominal interest rates have a significant effect on stock prices: a 25-basis point increase in the Fed funds rate is associated with an immediate decrease in broad stock indices that may range from 0.5 to 2.3 percent, followed...

We study optimal monetary policy in an analytically tractable Heterogeneous Agent New Keynesian model with rich cross-sectional heterogeneity. Optimal policy differs from that in a representative agent model because monetary policy can affect consumption inequality by reducing both idiosyncratic...

Introduction : from business-cycle measurement to macroeconomic theory -- Aggregate demand-- Aggregate supply-- AS-AD equilibrium and the propagation of macroeconomic shocks -- Unemployment fluctuations -- Monetary policy -- Fiscal policy -- The liquidity trap -- Unconventional monetary policies...