I employ a large set of scanner price data collected in retail stores and document that (i) although the average magnitude of price changes is large, a substantial number of price changes are small in absolute value; (ii) the distribution of non-zero price changes has fat tails; and (iii) stores...

If firm pricing is state, rather than time-dependent, firms are more likely to change prices whenever aggregate and idiosyncratic shocks reinforce each other and trigger desired price changes in the same direction. The distribution of idiosyncratic shocks across adjusting firms therefore varies...

Studies of disaggregated international price data document a robust, positive relationship between nominal exchange (NER) volatility and the variability of international relative prices. This relationship is interpreted as evidence that sticky prices rather than trade frictions are the source of...