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Levy, Daniel
Lee, Dongwon
Chen, Haipeng Allan
Kauffman, Robert J.
Bergen, Mark
Year of Publication: 
Series/Report no.: 
Working Papers, Bar-Ilan University, Department of Economics 2010-21
We study the link between price points and price rigidity, using two datasets: weekly scanner data, and Internet data. We find that: 9 is the most frequent ending for the penny, dime, dollar and ten-dollar digits; the most common price changes are those that keep the price endings at 9; 9-ending prices are less likely to change than non-9-ending prices; and the average size of price change is larger for 9-ending than non-9-ending prices. We conclude that 9-ending contributes to price rigidity from penny to dollar digits, and across a wide range of product categories, retail formats and retailers.
Document Type: 
Working Paper

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