When Little Things Mean a Lot: On the Inefficiency of Item-Pricing Laws

Mark Bergen, Daniel Levy (), Sourav Ray, Paul H. Rubin () and Benjamin Zeliger

Journal of Law & Economics, 2008, vol. 51, issue 2, pages 209-250

Abstract: Item-pricing laws (IPLs) require a price tag on every item sold by a retailer. We study IPLs and assess their efficiency by quantifying their costs and comparing them to previously documented benefits. On the cost side, we posit that IPLs should lead to higher prices because they increase the costs of pricing and price adjustment. We test this prediction using data collected from large supermarket chains in the tri-state area of New York, New Jersey, and Connecticut. We find that IPL store prices are higher by about 20¢-25¢ per item on average. As a control, we use data from stores that use electronic shelf labels and find that their prices fall between IPL and no-IPL store prices. We compare the costs of IPLs to existing measures of the benefits and find that the costs are an order of magnitude higher than the upper bound of the estimated benefits. (c) 2008 by The University of Chicago. All rights reserved..

Date: 2008
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Related works:
Working Paper: When Little Things Mean a Lot: On the Inefficiency of Item Pricing Laws (2004)
Working Paper: When Little Things Mean a Lot: On the Inefficiency of Item Pricing Laws (2005)
Working Paper: When Little Things Mean a Lot: On the Inefficiency of Item Pricing Laws (2006)
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