It is well known that comparative performance information (CPI) can enhance efficiency in static principal-agent relationships by improving the trade-off between insurance and incentives in the design of explicit contracts. In dynamic settings, however, there may be implicit as well as explicit...

We investigate the marketing practice of framing a price as a discount from an earlier price. We discuss two reasons why a discounted price---rather than a merely low price---can make a consumer more willing to purchase. First, a high initial price can indicate the product is high quality....