Promotions and Patterns of Grocery Shopping Time

Emily Cremers, Jeongwen Chiang and C. F. Chung

Staff General Research Papers Archive from Iowa State University, Department of Economics

Abstract: The histograms of interpurchase times for frequently purchased packagedgoods have consistently shown pronounced seven-day cycles. Evidence supports that theweekly spike phenomenon is the result of consumers' regular shopping trip schedules. Weexplore the implications of this peculiar regularity on the issue of consumer purchase timingacceleration. Data for ® ve product categories are examined. Promotions are found to havelittle eþ ect in accelerating purchase timing. In contrast, conventional interpurchase timemodels are shown to overstate the eþ ect of promotions.

Date: 2001-01-27
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Citations: View citations in EconPapers (4)

Published in Journal of Applied Statistics 2001, vol. 28, pp. 801-819

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Persistent link: https://EconPapers.repec.org/RePEc:isu:genres:34863

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