The authors examine the consumer welfare implications of changes in the structure of e-commerce markets employing comprehensive data collected from BizRate.com in November 2000 and November 2001. They find that price dispersion decreased substantially between these two periods and that measured differences in e-tailer services bear little relation to e-tailer prices.
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References
1.
AlbaJoseph, LynchJohn, WeitzBarton, JaniszewskiChris, LutzRichard, SawyerAlan, and WoodStacy (1997), “Interactive Home Shopping: Consumer, Retailer, and Manufacturer Incentives to Participate in Electronic Marketplaces,”Journal of Marketing, 61(July), 38–53.
2.
AncaraniFabio, and ShankarVenkatesh (2002), “Price Levels and Price Dispersion: A Comparison of Pure Play vs. Bricks-and-Mortar vs. Bricks-and-Clicks e-Tailers,” working paper, SDA Bocconi Graduate School of Management, Universita Commercialé Luigi Bocconi, Milan.
BayeMichael R., and MorganJohn (2001), “Information Gatekeepers on the Internet and the Competitiveness of Homogeneous Product Markets,”American Economic Review, 91(June), 454–74.
5.
BayeMichael R., MorganJohn, and ScholtenPatrick (2001), “Price Dispersion in the Small and in the Large: Evidence from an Internet Comparison Site,” working paper, Kelley School of Business, Indiana University.
6.
BetancourtRoger R., and GautschiDavid (1993), “Two Essential Characteristics of Retail Markets and Their Economic Consequences,”Journal of Economic Behavior and Organization, 21(August), 277–94.
7.
BrownJeffrey R., and GoolsbeeAustan (2002), “Does the Internet Make Markets More Competitive? Evidence from the Life Insurance Industry,”Journal of Political Economy, 110(June), 481–507.
8.
BrynjolfssonErik, and SmithMichael (2000), “Frictionless Commerce? A Comparison of Internet and Conventional Retailers,”Management Science, 46(April), 563–85.
9.
BurdettKenneth, and ColesMelvyn G. (1997), “Steady State Price Distributions in a Noisy Search Equilibrium,”Journal of Economic Theory, 72(1), 1–32.
10.
CarlsonJohn, and McAfeePreston (1983), “Discrete Equilibrium Price Dispersion,”Journal of Political Economy, 91(June), 480–93.
11.
ClayKaren, KrishnanRamayya, and WolffEric (2001), “Prices and Price Dispersion on the Web: Evidence from the Online Book Industry,”Journal of Industrial Economics, 49(4), 521–39.
12.
ClemonsErik, HannIl-Horn, and HittLorin (2002), “Price Dispersion and Differentiation in Online Travel: An Empirical Investigation,”Management Science, 48(April), 534–49.
13.
DegeratuAlexandru, RangaswamyArvind, and WuJianan (2000), “Consumer Choice Behavior in Online and Traditional Supermarkets: The Effect of Brand Name, Price, and Other Search Attributes,”International Journal of Research in Marketing, 17(March), 55–78.
14.
DePalmaAndre, MyersGordon M., and PapageorgiouYorgos Y. (1994), “Rational Choice Under Imperfect Ability to Choose,”American Economic Review, 83(June), 419–40.
15.
EhrlichIsaac, and FisherLawrence (1982), “The Derived Demand for Advertising: A Theoretical and Empirical Investigation,”American Economic Review, 72(June), 366–88.
16.
EllisonGlenn, and EllisonSara Fisher (2001), “Search, Obfuscation and Price Elasticities on the Internet,” working paper, Department of Economics, Massachusetts Institute of Technology.
17.
LalRajiv, and SarvaryMiklos (1999), “When and How Is the Internet Likely to Decrease Price Competition?”Marketing Science, 18(4), 485–503.
18.
LynchJohn, and ArielyDan (2000), “Wine Online: Search Costs Affect Competition on Price, Quality and Distribution,”Marketing Science, 19(Winter), 83–103.
19.
MaynesE. Scott, and AssumTerje (1982), “Informationally Imperfect Consumer Markets: Empirical Findings and Policy Implications,”Journal of Consumer Affairs, 16(Summer), 62–87.
20.
MortonFiona Scott, ZettelmeyerFlorian, and Silva-RissoJorge (2001), “Internet Car Retailing,”Journal of Industrial Economics, 49(4), 501–19.
21.
PakesAriel (2001), “A Reconsideration of Hedonic Price Indices with an Application to PCs,” working paper, Department of Economics, Harvard University.
22.
PanXing, RatchfordBrian T., and ShankarVenkatesh (2001), “Why Aren't the Prices of the Same Item the Same at Me.com and You.com? Drivers of Price Dispersion Among E-Tailers,” working paper, R.H. Smith School of Business, University of Maryland, College Park.
23.
PanXing, RatchfordBrian T., and ShankarVenkatesh (2002), “Can Price Dispersion in Online Markets be Explained by Differences in e-Tailer Service Quality?”Journal of the Academy of Marketing Science, 30(4), 429–41.
24.
PanXing, ShankarVenkatesh, and RatchfordBrian T. (2002), “Price Competition Between Pure Play vs. Bricks-and-Clicks E-Tailers: Analytical Model and Empirical Analysis,” in Advances in Applied Microeconomics, The Economics of the Internet and E-Commerce, Vol. 11, BayeMichael, ed. Greenwich, CT: JAI Press.
25.
RatchfordBrian T., AgrawalJagdish, GrimmPamela E., and SrinivasanNarasimhan (1996), “Toward Understanding the Measurement of Market Efficiency,”Journal of Public Policy & Marketing, 15(Fall), 167–84.
26.
RatchfordBrian T., LeeMyung-Soo, and TalukdarDebabrata (2003), “The Impact of the Internet on Information Search for Automobiles,”Journal of Marketing Research, 40(May), forthcoming.
27.
RosenSherwin (1974), “Hedonic Prices and Implicit Markets: Product Differentiation in Pure Competition,”The Journal of Political Economy, 82(1), 34–55.
28.
SalopSteven, and StiglitzJoseph (1982), “The Theory of Sales: A Simple Model of Equilibrium Price Dispersion with Identical Agents,”The American Economic Review, 72(December), 1121–30.
29.
ShankarVenkatesh, RangaswamyArvind, and PusateriMichael (2001), “The Online Medium and Customer Price Sensitivity,” working paper, R.H. Smith School of Business, University of Maryland, College Park.
30.
SmallKenneth A., and RosenHarvey S. (1981), “Applied Welfare Economics with Discrete Choice Models,”Econometrica, 49(January), 105–30.
31.
SmithMichael, and BrynjolfssonErik (2001), “Consumer Decision Making at an Internet Shopbot,”Journal of Industrial Economics, 49(4), 541–58.
TangFang-Fang, and XingXiaolin (2001), “Will the Growth of Multi-Channel Retailing Diminish the Pricing Efficiency of the Web?”Journal of Retailing, 77(Fall), 319–33.
34.
VarianHal (1980), “A Model of Sales,”American Economic Review, 70(4), 651–59.
35.
ZettelmeyerFlorian (2000), “Expanding to the Internet: Pricing and Communication Strategies When Firms Compete on Multiple Channels,”Journal of Marketing Research, 37(3), 292–308.
