This paper presents a model of contracts for the sale of intellectual property. We explain why many intellectual property contracts are contingent on eventual production or success, even without moral hazard on the part of risk-averse sellers. Our explanation is based on differences of opinion...

The large literature on the impact of advertising on consumers and firm behavior in marketing and economics has tried to distinguish between the informative and the persuasive roles of advertising. The extant literature typically uses advertising expenditure and implicitly assumes that...