excluded from price adjustments, we find evidence consistent with state-dependent price setting in a multiproduct firm. In … small price changes, synchronization of price changes across items especially within the same product category. Price … items (and even more of private label ones) is more flexible and state-dependent, which is consistent with price setting in …

the 10th and the mean absolute deviation from quarterly average product prices is 5%. We show that temporal price … variations (including sales and promotions) explain only little of the observed price dispersion, while the spatial permanent … component of price dispersion largely dominates. Price dispersion across stores in France essentially results from persistent …