In a dynamic model of sports competition, we show that when spectators care only about the level of effort exerted by contestants, rewarding schemes that depend linearly on the final score difference provide more efficient incentives for efforts than schemes based only on who wins and loses....

In a dynamic model of sports competition, if spectators care only about contestants' efforts, incentive schemes depending linearly on the final score difference dominate rank order schemes based only on who wins. If spectators also care about suspense, defined as valuing more contestants'...

We study price discrimination where consumers know at the time of contracting only the distribution of their valuations but subsequently learn their actual valuations. Consumers are sequentially screened, as in a menu of refund contracts. Initial valuation uncertainty can differ in terms of...