Product Variety, Across-Market Demand Heterogeneity, and the Value of Online Retail
Thomas W. Quan and
Kevin R. Williams ()
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Thomas W. Quan: University of Georgia
Kevin R. Williams: Cowles Foundation, Yale University, http://kevinrwilliams.com/
No 2054R3, Cowles Foundation Discussion Papers from Cowles Foundation for Research in Economics, Yale University
Online retail gives consumers access to an astonishing variety of products. However, the additional value created by this variety depends on the extent to which local retailers already satisfy local demand. To quantify the gains and account for local demand, we use detailed data from an online retailer and propose methodology to address a common issue in such data- sparsity of local sales due to sampling and a significant number of local zeros. Our estimates indicate products face substantial demand heterogeneity across markets; as a result, we find gains from online variety that are 45% lower than previous studies.
Keywords: Product Variety; Demand Estimation; Long Tail; Online Retail (search for similar items in EconPapers)
JEL-codes: C13 L67 L81 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-com and nep-pay
Date: 2017-06, Revised 2018-06
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