Most of the theoretical literature on price-setting behavior deals with the special case in which only a single price is changed. At the retail-store level, at least, where dozens of products are sold by a single price-setter, price-setting policies are not formulated for individual products....

Theoretical work on price-setting behavior focuses on the single-product case while, in reality, a single price-setter sells many products. We use retail store-level multiproduct pricing data to learn about price dynamics. We find that, while the timing of a product's price changes is staggered...