A common feature of low-price guarantees is that they allow consumers to postpone bargain-hunting until after the purchase. This paper addresses a number of questions concerning the adoption pattern of price-matching and price-beating guarantees with post-purchase search and their impacts on...

We analyze daily mortgage rates posted by online lenders at the price comparison site, Microsurf. While cost shocks occurred almost daily in our sample, quoted mortgage rates are surprisingly rigid: Only 16 percent of the posted rates represent changes. However, firms that adjusted rates in...