Asymmetric Price Adjustment in the Small

Analyzing a large weekly retail transaction price dataset, we uncover a surprising regularity - small price increases occur more frequently than small price decreases for price changes of up to about 10 cents, while there is no such asymmetry for larger price changes. The asymmetry holds for the entire sample and for individual categories. We find that while inflation can explain some of the asymmetry, inflation is not the whole story as the …