The conventional wisdom is that government decentralization promotes policy innovation because it allows for several simultaneous experiments by local governments. However, there is also a learning externality because successful policy experiments provide useful information to all governments....

We study competing hospitals' incentives for quality provision in a dynamic setting where healthcare is an experience good. In our model, the utility a patient derives from choosing a particular provider depends on a subjective component specific to the match between the patient and the...

The way in which individual expectations shape aggregate macroeconomic variables is crucial for the transmission and effectiveness of monetary policy. We study the individual expectations formation process and the interaction with monetary policy, within a standard New Keynesian model, by means...

Standard models of observational learning in settings of sequential choice have two key features. The first is that players make decisions by using Bayes' rule to update their beliefs about payoffs from a common prior. The second is that each agent's decision rule is common knowledge, so that...

This article empirically analyzes different effects of advertising in a nondurable, experience good market. A dynamic learning model of consumer behavior is presented in which I allow both "informative" effects of advertising and "prestige" or "image" effects of advertising. This learning model...