Price comparison websites, where consumers can compare prices at a search cost that is close to zero, have become … increasingly common around the world. Using daily information on prices, click-throughs, and the number of retailers for a sample … the Swedish price comparison website PriceSpy on prices and price dispersion. We find that increased use by consumers …

This paper identifies patterns of cross-sectional and temporal price dispersion-in the Spanish online grocery retail …. Our results show that price dispersion is still present (albeit to a lesser extent) even after controlling for chain … using price data while accounting for vertical product differentiation. The analysis suggests that the extent of search is …