An important topic in recent macroeconomic literature is the potential effects of noise, or expectational, shocks on aggregates. Most of the past analysis has used some derivative of a New Keynesian model with labor as the only input, but doing so fails to consider that some input decisions may...

The recent macroeconomic literature stresses the importance of managing heterogeneous expectations in the formulation of monetary policy. We use a stylized macro model of Howitt (1992) to investigate inflation dynamics under alternative interest rate rules when agents have heterogeneous...

Models with heterogeneous interacting agents explain macro phenomena through interactions at the micro level. We propose genetic algorithms as a model for individual expectations to explain aggregate market phenomena. The model explains all stylized facts observed in aggregate price fluctuations...