IDEAS home Printed from https://ideas.repec.org/a/inm/ormksc/v22y2003i1p85-106.html
   My bibliography  Save this article

Internet Shopping Agents: Virtual Co-Location and Competition

Author

Listed:
  • Ganesh Iyer

    (Haas School of Business, University of California at Berkeley, Berkeley, California 94720-1900)

  • Amit Pazgal

    (John M.Olin School of Business, Washington University, St.Louis, Missouri 63130-4899)

Abstract

Internet Shopping Agents (ISAs) allow consumers to costlessly search many online retailers and buy at the lowest price. One would expect these ISAs to subject sellers to intense price competition that results in uniform low prices. Yet, Internet retailers have joined these ISAs. Furthermore, the prices charged by inside retailers can vary substantially. We examine the impact of ISAs on market competition. An ISA creates differentiation in the pricing strategies of ex-ante identical retailers: Some retailers join the ISA due to mass of consumers that they can potentially win, while others stay out and extract surplus from their loyal consumers, while others stay our and extract surplus from their loyal consumers. The equilibrium inside pricing is such that the average price charged can increase or decrease when more retailers join, depending on whether or not the reach of the ISA is independent of the number of joining retailers. When the reach is endogenous, there exist a unique number of inside retailers.

Suggested Citation

  • Ganesh Iyer & Amit Pazgal, 2003. "Internet Shopping Agents: Virtual Co-Location and Competition," Marketing Science, INFORMS, vol. 22(1), pages 85-106, November.
    • Handle: RePEc:inm:ormksc:v:22:y:2003:i:1:p:85-106
    DOI: 10.1287/mksc.22.1.85.12842
    as

    Download full text from publisher

    File URL: http://dx.doi.org/10.1287/mksc.22.1.85.12842
    Download Restriction: no
    File URL: https://libkey.io/10.1287/mksc.22.1.85.12842?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    References listed on IDEAS

    as
    1. Varian, Hal R, 1980. "A Model of Sales," American Economic Review, American Economic Association, vol. 70(4), pages 651-659, September.
    2. Narasimhan, Chakravarthi, 1988. "Competitive Promotional Strategies," The Journal of Business, University of Chicago Press, vol. 61(4), pages 427-449, October.
    3. Nelson, Phillip, 1970. "Information and Consumer Behavior," Journal of Political Economy, University of Chicago Press, vol. 78(2), pages 311-329, March-Apr.
    4. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, December.
    5. Rajiv Lal & Miklos Sarvary, 1999. "When and How Is the Internet Likely to Decrease Price Competition?," Marketing Science, INFORMS, vol. 18(4), pages 485-503.
    6. Dudey, Marc, 1990. "Competition by Choice: The Effect of Consumer Search on Firm Location Decisions," American Economic Review, American Economic Association, vol. 80(5), pages 1092-1104, December.
    7. Rosenthal, Robert W, 1980. "A Model in Which an Increase in the Number of Sellers Leads to a Higher Price," Econometrica, Econometric Society, vol. 48(6), pages 1575-1579, September.
    8. Birger Wernerfelt, 1994. "Selling Formats for Search Goods," Marketing Science, INFORMS, vol. 13(3), pages 298-309.
    9. Michael R. Baye & John Morgan, 2001. "Information Gatekeepers on the Internet and the Competitiveness of Homogeneous Product Markets," American Economic Review, American Economic Association, vol. 91(3), pages 454-474, June.
    10. Paul Klemperer, 1987. "The Competitiveness of Markets with Switching Costs," RAND Journal of Economics, The RAND Corporation, vol. 18(1), pages 138-150, Spring.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Chuan He & Yuxin Chen, 2006. "Research Note—Managing e-Marketplace: A Strategic Analysis of Nonprice Advertising," Marketing Science, INFORMS, vol. 25(2), pages 175-187, 03-04.
    2. Bing Jing, 2007. "Product differentiation under imperfect information: When does offering a lower quality pay?," Quantitative Marketing and Economics (QME), Springer, vol. 5(1), pages 35-61, March.
    3. Dmitri Kuksov & Ashutosh Prasad & Mohammad Zia, 2017. "In-Store Advertising by Competitors," Marketing Science, INFORMS, vol. 36(3), pages 402-425, May.
    4. Michael R. Baye & John Morgan & Patrick Scholten, 2004. "Price Dispersion In The Small And In The Large: Evidence From An Internet Price Comparison Site," Journal of Industrial Economics, Wiley Blackwell, vol. 52(4), pages 463-496, December.
    5. Mark Armstrong & John Vickers, 2018. "Patterns of Competition with Captive Customers," Economics Series Working Papers 864, University of Oxford, Department of Economics.
    6. Johannes Johnen & David Ronayne, 2021. "The only Dance in Town: Unique Equilibrium in a Generalized Model of Price Competition," Journal of Industrial Economics, Wiley Blackwell, vol. 69(3), pages 595-614, September.
    7. Anderson, Simon & Baik, Alicia & Larson, Nathan, 2015. "Personalized pricing and advertising: An asymmetric equilibrium analysis," Games and Economic Behavior, Elsevier, vol. 92(C), pages 53-73.
    8. Chioveanu, Ioana, 2008. "Advertising, brand loyalty and pricing," Games and Economic Behavior, Elsevier, vol. 64(1), pages 68-80, September.
    9. Michael R. Baye & J. Rupert J. Gatti & Paul Kattuman & John Morgan, 2009. "Clicks, Discontinuities, and Firm Demand Online," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 18(4), pages 935-975, December.
    10. Backus, Matthew R. & Podwol, Joseph Uri & Schneider, Henry S., 2014. "Search costs and equilibrium price dispersion in auction markets," European Economic Review, Elsevier, vol. 71(C), pages 173-192.
    11. Michael R. Baye & John Morgan, 2009. "Brand and Price Advertising in Online Markets," Management Science, INFORMS, vol. 55(7), pages 1139-1151, July.
    12. Oksana Loginova & Andrea Mantovani, 2019. "Price competition in the presence of a web aggregator," Journal of Economics, Springer, vol. 126(1), pages 43-73, January.
    13. Natalia Fabra & Juan-Pablo Montero, 2022. "Product Lines and Price Discrimination in Markets with Information Frictions," Management Science, INFORMS, vol. 68(2), pages 981-1001, February.
    14. Florian Morath & Johannes Münster, 2018. "Online Shopping and Platform Design with Ex Ante Registration Requirements," Management Science, INFORMS, vol. 64(1), pages 360-380, January.
    15. Ganesh Iyer & Dmitri Kuksov, 2012. "Competition in Consumer Shopping Experience," Marketing Science, INFORMS, vol. 31(6), pages 913-933, November.
    16. Il-Horn Hann & Kai-Lung Hui & Sang-Yong Tom Lee & Ivan P.L. Png, 2005. "Sales and Promotions: A More General Model," Industrial Organization 0508014, University Library of Munich, Germany.
    17. Mark Armstrong & John Vickers, 2022. "Patterns of Competitive Interaction," Econometrica, Econometric Society, vol. 90(1), pages 153-191, January.
    18. Dmitri Kuksov, 2004. "Buyer Search Costs and Endogenous Product Design," Marketing Science, INFORMS, vol. 23(4), pages 490-499, May.
    19. Michael R. Baye & John Morgan & Patrick Scholten, 2004. "Temporal Price Dispersion: Evidence from an Online Consumer Electronics Market," Working Papers 2004-04, Indiana University, Kelley School of Business, Department of Business Economics and Public Policy.
    20. Konishi, Hideo & Sandfort, Michael T., 2002. "Expanding demand through price advertisement," International Journal of Industrial Organization, Elsevier, vol. 20(7), pages 965-994, September.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:inm:ormksc:v:22:y:2003:i:1:p:85-106. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Chris Asher (email available below). General contact details of provider: https://edirc.repec.org/data/inforea.html .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.