Five Facts About Prices: A Reevaluation of Menu Cost Models
Five Facts About Prices: A Reevaluation of Menu Cost Models (with Emi Nakamura)
Quarterly Journal of Economics, 123(4), 1415-1464, November 2008.
Frequency of Price Change by ELI: ELI table (PDF) -- ELI table (Excel)
Supplementary Material: More Facts About Prices
Tables in Excel: Tables from Paper -- Tables from Supplement (Excel)
The median frequency of non-sale price changes is only half of what it is including sales. The median implied duration of regular prices is between 8 and 11 months.