Researchers use Nielsen Homescan data, which provide detailed food-purchase information from a panel of U.S. households, to address a variety of important research topics. However, some question the credibility of the data since the data are self-recorded and the recording process is...

We examine retailer heterogeneity in price adjustment in UK supermarkets. Considerable variation in the price change frequency of identically bar-coded products among retail chains is found. Decomposition analysis suggests that price adjustment is evenly split between sales and reference prices...

Using grocery store data we study the relationship between dispersion and the business cycle. Our findings reveal that overall there is no robust and significant relationship; however, these mask important heterogeneity in the cyclicality of dispersion at the category level.