This paper models payment evasion as a source of profit by letting the firm choose the purchase price and the fine imposed on detected payment evaders. For a given price and fine, the consumers purchase, evade payment, or choose the outside option. We show that payment evasion leads to a form of...

An uninformed seller offers an object to a privately informed buyer. The buyer projects information and exaggerates the probability that the seller is informed. Letting the buyer bargain and name her own price raises the seller's payoff above the full-commitment payoff. Under seller-offer...

This paper addresses the relationship between patent protection and investment in the development of new pharmaceutical treatments. The TRIPS Agreement, which specifies minimum levels of intellectual property protection for countries in the World Trade Organization, has increased levels of...

Preventives are sold ex ante, before disease status is realized, while treatments are sold ex post. Even if the mean of the ex ante distribution of consumer values is the same as that ex post, the shape of the distributions may differ, generating a difference between the surplus each product can...