I study duopolistic market for differentiated medical products. Medical providers decide whether to sell on the spot market to sick consumers or to sell through competitive insurance market to healthy consumers. While shopping for insurance consumers know only the distribution of possible...

The direct medical costs associated with obesity, smoking, and other non-healthy habits are estimated to account for more than 20% of U.S. health spending. Hence, poor health choices induce significant aggregate shift in spending away from treating competing?non preventable?medical risks and...

We combine regression and propensity score methods to estimate the effect of Internet use on job search. We exploit the distinction between the unemployed and the discouraged, where both desire employment but the latter has ceased active job search due to negative beliefs about the labor market....