This paper uses variation in traffic safety laws and obesity rates as instruments to identify substitution patterns between living and cadaveric kidney donors in the presence of unobserved levels of altruism. The US market for organs is restricted by price controls where organ are donated purely...

We show that when a seller of a differentiated good offers the product allowing consumers an option to pay what they like, then all consumers will never free ride in equilibrium when their valuations of the good are positive, and, under certain conditions, all will consumers would pay. Further,...

We use a survey-based experiment to examine public support for minimum wages. We first elicit respondents' moral assessment of two labor market systems: one with a minimum wage and one without. We find that gender and political affiliation are the strongest predictors of moral assessments, where...