If there is competition for access to an underpriced good such as a free parking spot, the competition can eat up the entire surplus, eliminating the social value of the good. There is a discontinuity in social welfare between “enough” and “not enough,” with the minimum social welfare...

Hart & Moore (1999) construct a model to show that contracts perform poorly in complex environments when the state of the world is unverifiable and renegotiation cannot be ruled out. They implicitly assume one player can extort payment from another by threatening to take an inefficient action...

Consider a Bertrand model in which each firm may be inactive with a known probability, so the number of active firms is uncertain. This activity level can be endogenized in several ways ---whether to incur a fixed cost of activity, for example, or what level of output to choose. Our model has a...

Estimates of the economic benefits of intervention strategies to make food safer from specific pathogens for different durations of protection are not available. We estimated consumers' willingness to pay for a hypothetical vaccine that would deliver a 1-year, 5- years, 10-years, or lifetime...

In recent times, judges in the United States have said that 6-person juries are inferior to 12-person juries. But by what reasoning is a smaller jury inferior? One argument is the Condorcet jury theorem, which says that a larger jury will reach a more accurate decision. This, however, assumes...

We consider the optimal pricing and referral strategy of a monopoly that uses a simple consumer communication network (a chain) to spread product information. The first-best policy with fully discriminatory position-based referral fees involves standard monopoly pricing and referral fees that...

This paper compares equilibrium outcomes in search markets with and without referrals. Although consumers would benefit from honest referrals, it is not at all clear whether firms would unilaterally provide information about competing offers since such information could encourage a consumer to...

In many industries, firms reward their customers for making referrals. We analyze the optimal policy mix of price, advertising intensity, and a referral fee for monopoly when buyers choose to what extent to refer other consumers to the firm. We find that the firm advertises less under referrals,...

Jun and Kim (2008) consider the optimal pricing and referral strategy of a monopoly that uses a consumer communication network to spread product information. They show that for any finite referral chain, the optimal policy involves a referral fee that provides strictly positive referral...