This paper shows that price rigidity evolves in an economy populated by imperfectly rational agents who experiment with alternative rules of thumb. In the model, firms must set their prices in face of aggregate demand shocks. Their payoff depends on the level of aggregate demand, as well as on...

This chapter investigates the implications of adaptive learning in the private sector's formation of inflation expectations for the conduct of monetary policy. We first review the literature that studies the implications of adaptive learning processes for macroeconomic dynamics under various...

An economy exhibits structural heterogeneity when the forecasts of different agents have different effects on the determination of aggregate variables. Various forms of structural heterogeneity can arise and we study the important case of economies in which agents' behavior depends on forecasts...

Das dritte Kapitel trägt den Titel "Anticipation, Learning and Welfare: the Case of Distortionary Taxation." Es handelt sich hierbei um eine Zusammenarbeit mit Shoujian Zhang. Im Fokus der Untersuchung stehen antizipierte Steuerreformen. Die Individuen in der Ökonomie haben nicht-rationale...