We model economic decisions as stemming from urges. The magnitude of the urge is a function of previous consumption. Welfare gains from satisfying an urge vary with the nature of the urge. An urge is "dysfuntional" if people are willing to incur costs to stop themselves from gratifying that...

Abstract We model economic decisions as stemming from urges. The magnitude of the urge is a function of previous consumption. Welfare gains from satisfying an urge vary with the nature of the urge. An urge is "dysfuntional" if people are willing to incur costs to stop themselves from gratifying...

This paper develops and implements a statistical methodology to account for the equilibrium effects (aka adverse selection) in design of risk adjustment formula in health insurance markets. Our setting is modeled on the situation in Medicare and the new state Exchanges where individuals sort...