Recent empirical work finds that surprisingly little variation in the demand for insurance is explained by heterogeneity in risks. I distinguish between heterogeneity in risk preferences and risk perceptions underlying the unexplained variation. Heterogeneous risk perceptions induce a systematic...

This paper analyzes the design of tax systems under imperfect enforcement. A common policy in developing countries is to impose minimum tax schemes whereby firms are taxed either on profits or on turnover, depending on which tax liability is larger. This production inefficient tax policy has...

We analyze costly information acquisition and information revelation in groups in a dynamic setting. Even when group members have perfectly aligned interests the group may inefficiently delay decisions. When deadlines are far away, uninformed group members freeride on each others' efforts to...

This paper incorporates training in the design of unemployment policies. Human capital falls upon displacement and continuously depreciates during unemployment. While training counters the decrease in human capital, it also affects the willingness of the unemployed to search. I characterize the...