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Consumer Search Costs and Preferences on the Internet

Research output: Contribution to journalArticle

Original languageEnglish
JournalReview of Economic Studies
Early online date26 Apr 2018
DateAccepted/In press - 19 Feb 2018
DateE-pub ahead of print (current) - 26 Apr 2018

Abstract

We conduct an empirical analysis of consumer preferences and search costs on an Internet platform. Using data from a major French platform (PriceMinister), we show descriptive evidence of substantial price dispersion among adverts for the same product, of consumers often not choosing the cheapest advert and sometimes choosing an advert dominated in price and non-price characteristics by another available advert. We consider a sequential search model where consumers sample adverts in an endogenous order based on their preferences and search costs. We show that the optimal search-and-purchase strategy can be characterised by a set of inequalities which can feasibly be tested on transaction and advert data. This allows us to estimate, for each transaction, a set of preference and search cost parameter values, thus allowing for very flexible consumer heterogeneity in preferences and search costs. The model estimates can then describe a wide range of consumer search and purchase behaviours. We find that the model can explain most of the data and requires non-zero preferences and search costs for at least 50% and 22% (respectively) of transactions. We also find evidence of heterogenous and sometimes substantial search costs.

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  • ECON Macroeconomics

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via Review of Economic Studiesat http://www.restud.com/paper/consumer-search-costs-and-preferences-on-the-internet/ . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 798 KB, PDF document

    Embargo ends: 26/04/20

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