We document basic facts about prices in online markets in the U.S. and Canada, a rapidly growing segment of the retail … rate. Multiple margins of adjustment (frequency of price changes, direction of price changes, size of price changes, exit … our dataset to show that degree of competition, stickiness of prices, synchronization of price changes, reputation of …

We study how mandatory online disclosure of supermarket prices affects prices and price dispersion in brick … in price dispersion and a 4% to 5% drop in prices following the transparency regulation. The price drop varied across …, we show that prices declined as more consumers used price-comparison websites, and we highlight the role of media …