Download - Shopbot Market Representativeness Gove N. Allen Jianan Wu A. B. Freeman School of Business
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Shopbot Market Representativeness
Gove N. Allen
Jianan Wu
A. B. Freeman School of Business
Tulane University
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Do all shopbots represent markets equally?
What attributes to shopbots’ market
representativeness? What are the implications of shopbot market representativeness for Internet
research?
Research Questions
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Research Using Shopbots
Study Shopbots
Clay, Kirshnan, and Wolff (2001) 2
Smith and Brynjolfsson (2001) 1
Pan, Shankar, and Ratchford (2002) 1
Baye, Morgan, and Scholten (2001) 1
Kaufmann and Wood (2000) 2
Baylis and Perloff (2002) 1
Ellison and Ellison (2001) 1
Clemons, Hahn, and Hitt (2002) 5
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Current Study
450+ Books
120 days
8 shopbots (Addall, Bizrate, Dealtime, ISBN.nu, Mysimon, Pricegrabber,
Pricescan, shopping.yahoo)
84 different vendors
2.2 million price observations
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Are Shopbots Created Equal?
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Are Shopbots Created Equal?
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What Attributes to Shopbot Representativeness?
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What Attributes to Shopbot Representativeness?
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Regression Model
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Regression Results
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Does It Really Matter?Combining Shopbots
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ConclusionsAll Shopbots are not created equal.
Both market coverage and vendor affiliation determine how representative a shopbot is.
When selecting shopbots for academic research, “Choose Wisely”