Insurance fraud is a major source of inefficiency in insurance markets. A self-justification of fraudulent behavior is that insurers are bad payers who start nitpicking if an opportunity arises, even in circum- stances where the good-faith of policyholders is not in dispute. We relate this...

In this paper, we discuss the choice for build-operate-and-transfer (BOT) concessions when governments and …rm managers do not share the same information regarding the operation characteristics of a facility. We show that larger shadow costs of public funds and larger information asymmetries...

In this paper, we study the social interactions between two populations of individuals living in a city. Agents consume land and benefit from intra and intergroup social interactions. We show that segregation arises in equilibrium: populations become separated in distinct spatial neighborhoods....

This article makes a bridge between the theory of optimal auditing and the scoring methodology in an asymmetric information setting. Our application is meant for insurance claims fraud, but it can be applied to many other activities that use the scoring approach. Fraud signals are classified...