IDEAS home Printed from https://ideas.repec.org/a/aea/aejmic/v7y2015i3p85-103.html
   My bibliography  Save this article

Cyber-Shilling in Automobile Auctions: Evidence from a Field Experiment

Author

Listed:
  • David Grether
  • David Porter
  • Matthew Shum

Abstract

We run a large field experiment with an online company specializing in selling used automobiles via ascending auctions. We manipulate experimentally the "price grid," or the possible amounts that bidders can bid above the current standing price. Using two diverse auction sites, one in New York and one in Texas, we find that buyer and seller behavior differs strikingly across the two sites. Specifically, in Texas we find peculiar patterns of bidding among a small but prominent group of buyers suggesting that they are "cyber-shills" working on behalf of sellers. These patterns do not appear in the New York auctions. (JEL C93, D12, D44, L62, L81)

Suggested Citation

  • David Grether & David Porter & Matthew Shum, 2015. "Cyber-Shilling in Automobile Auctions: Evidence from a Field Experiment," American Economic Journal: Microeconomics, American Economic Association, vol. 7(3), pages 85-103, August.
    • Handle: RePEc:aea:aejmic:v:7:y:2015:i:3:p:85-103
    Note: DOI: 10.1257/mic.20120085
    as

    Download full text from publisher

    File URL: http://www.aeaweb.org/articles.php?doi=10.1257/mic.20120085
    Download Restriction: no
    File URL: http://www.aeaweb.org/aej/mic/ds/0703/2012-0085_ds.zip
    Download Restriction: no
    File URL: http://www.aeaweb.org/aej/mic/data/0703/2012-0085_data.zip
    Download Restriction: no
    File URL: http://www.aeaweb.org/aej/mic/app/0703/2012-0085_app.pdf
    Download Restriction: Access to full text is restricted to AEA members and institutional subscribers.
    ---><---

    References listed on IDEAS

    as
    1. Min Ding & Jehoshua Eliashberg & Joel Huber & Ritesh Saini, 2005. "Emotional Bidders---An Analytical and Experimental Examination of Consumers' Behavior in a Priceline-Like Reverse Auction," Management Science, INFORMS, vol. 51(3), pages 352-364, March.
    2. Xavier Gabaix & David Laibson, 2018. "Shrouded attributes, consumer myopia and information suppression in competitive markets," Chapters, in: Victor J. Tremblay & Elizabeth Schroeder & Carol Horton Tremblay (ed.), Handbook of Behavioral Industrial Organization, chapter 3, pages 40-74, Edward Elgar Publishing.
    3. Hong, Han & Shum, Matthew, 2003. "Econometric models of asymmetric ascending auctions," Journal of Econometrics, Elsevier, vol. 112(2), pages 327-358, February.
    4. Milgrom,Paul, 2004. "Putting Auction Theory to Work," Cambridge Books, Cambridge University Press, number 9780521536721, January.
    5. Bajari, Patrick & Hortacsu, Ali, 2003. "The Winner's Curse, Reserve Prices, and Endogenous Entry: Empirical Insights from eBay Auctions," RAND Journal of Economics, The RAND Corporation, vol. 34(2), pages 329-355, Summer.
    6. Vincent Daniel R., 1995. "Bidding Off the Wall: Why Reserve Prices May Be Kept Secret," Journal of Economic Theory, Elsevier, vol. 65(2), pages 575-584, April.
    7. Ginger Zhe Jin & Andrew Kato, 2006. "Price, quality, and reputation: evidence from an online field experiment," RAND Journal of Economics, RAND Corporation, vol. 37(4), pages 983-1005, December.
    8. Tadelis, Steve & Zettelmeyer, Florian, 2009. "The Effect of Information on Auction Outcomes: A Large Scale Field Experiment," Department of Economics, Working Paper Series qt7t4834h2, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
    9. Kosmopoulou, Georgia & De Silva, Dakshina G., 2007. "The effect of shill bidding upon prices: Experimental evidence," International Journal of Industrial Organization, Elsevier, vol. 25(2), pages 291-313, April.
    10. McCabe, Kevin A & Rassenti, Stephen J & Smith, Vernon L, 1990. "Auction Institutional Design: Theory and Behavior of Simultaneous Multiple-Unit Generalizations of the Dutch and English Auctions," American Economic Review, American Economic Association, vol. 80(5), pages 1276-1283, December.
    11. Coppinger, Vicki M & Smith, Vernon L & Titus, Jon A, 1980. "Incentives and Behavior in English, Dutch and Sealed-Bid Auctions," Economic Inquiry, Western Economic Association International, vol. 18(1), pages 1-22, January.
    12. Plott, Charles R. & Salmon, Timothy C., 2004. "The simultaneous, ascending auction: dynamics of price adjustment in experiments and in the UK3G spectrum auction," Journal of Economic Behavior & Organization, Elsevier, vol. 53(3), pages 353-383, March.
    13. Katkar Rama & Reiley David H, 2007. "Public versus Secret Reserve Prices in eBay Auctions: Results from a Pokémon Field Experiment," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 6(2), pages 1-25, January.
    14. Grether, David M. & Plott, Charles R., 2009. "Sequencing strategies in large, competitive, ascending price automobile auctions: An experimental examination," Journal of Economic Behavior & Organization, Elsevier, vol. 71(2), pages 75-88, August.
    15. Ginger Zhe Jin & Andrew Kato, 2006. "Price, quality, and reputation: evidence from an online field experiment," RAND Journal of Economics, The RAND Corporation, vol. 37(4), pages 983-1005, December.
    16. Peter Cramton, 1997. "The FCC Spectrum Auctions: An Early Assessment," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 6(3), pages 431-495, September.
    17. Bernard Elyakime & Jean-Jacques Laffont & Patrice Loisel & Quang Vuong, 1994. "First-Price Sealed-Bid Auctions with Secret Reservation Prices," Annals of Economics and Statistics, GENES, issue 34, pages 71-114.
    18. Krishna, Vijay, 2009. "Auction Theory," Elsevier Monographs, Elsevier, edition 2, number 9780123745071.
    19. Johannes Hörner & Nicolas Sahuguet, 2007. "Costly Signalling in Auctions -super-1," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 74(1), pages 173-206.
    20. Banks, Jeffrey & Olson, Mark & Porter, David & Rassenti, Stephen & Smith, Vernon, 2003. "Theory, experiment and the federal communications commission spectrum auctions," Journal of Economic Behavior & Organization, Elsevier, vol. 51(3), pages 303-350, July.
    21. David Lucking-Reiley, 1999. "Using Field Experiments to Test Equivalence between Auction Formats: Magic on the Internet," American Economic Review, American Economic Association, vol. 89(5), pages 1063-1080, December.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Peter Csoka & P. Jean-Jacques Herings, 2022. "Centralized clearing mechanisms: A programming approach," The Journal of Mechanism and Institution Design, Society for the Promotion of Mechanism and Institution Design, University of York, vol. 7(1), pages 45-69, December.
    2. Omar Al-Ubaydli & John A. List, 2016. "Field Experiments in Markets," NBER Working Papers 22113, National Bureau of Economic Research, Inc.
    3. Lim, Wooyoung & Xiong, Siyang, 2021. "Does jump bidding increase sellers’ revenue? Theory and experiment," Journal of Economic Behavior & Organization, Elsevier, vol. 189(C), pages 84-110.
    4. Ingebretsen Carlson, Jim & Wu, Tingting, 2022. "Shill bidding and information in eBay auctions: A Laboratory study," Journal of Economic Behavior & Organization, Elsevier, vol. 202(C), pages 341-360.
    5. David Ettinger & Fabio Michelucci, 2016. "Creating a winner’s curse via jump bids," Review of Economic Design, Springer;Society for Economic Design, vol. 20(3), pages 173-186, September.
    6. Guillermo Marshall, 2024. "Identification in english auctions with shill bidding," Quantitative Marketing and Economics (QME), Springer, vol. 22(2), pages 193-222, June.
    7. Ingebretsen Carlson, Jim & Wu, Tingting, 2018. "Shill Bidding and Information in Sequential Auctions: A Laboratory Study," Working Papers 2018:18, Lund University, Department of Economics.
    8. Delnoij, Joyce & Rezaei, Sarah & Rijt, Arnout van de, 2023. "Jump bidding does not reduce prices: Field-experimental evidence from online auctions," Journal of Economic Behavior & Organization, Elsevier, vol. 209(C), pages 308-325.
    9. repec:dau:papers:123456789/15048 is not listed on IDEAS
    10. Ola Andersson & Tommy Andersson, 2017. "Timing and presentation effects in sequential auctions," The Journal of Mechanism and Institution Design, Society for the Promotion of Mechanism and Institution Design, University of York, vol. 2(1), pages 39-55, December.
    11. Agranov, Marina & Yariv, Leeat, 2018. "Collusion through communication in auctions," Games and Economic Behavior, Elsevier, vol. 107(C), pages 93-108.

    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. David Grether & David Porter & Matthew Shum, 2011. "Intimidation or Impatience? Jump Bidding in On-line Ascending Automobile Auctions," Working Papers 11-07, Chapman University, Economic Science Institute.
    2. Axel Ockenfels & David Reiley & Abdolkarim Sadrieh, 2006. "Online Auctions," NBER Working Papers 12785, National Bureau of Economic Research, Inc.
    3. Patrick Bajari & Ali Hortaçsu, 2004. "Economic Insights from Internet Auctions," Journal of Economic Literature, American Economic Association, vol. 42(2), pages 457-486, June.
    4. Kaplan, Todd R. & Zamir, Shmuel, 2015. "Advances in Auctions," Handbook of Game Theory with Economic Applications,, Elsevier.
    5. Delnoij, Joyce & Rezaei, Sarah & Rijt, Arnout van de, 2023. "Jump bidding does not reduce prices: Field-experimental evidence from online auctions," Journal of Economic Behavior & Organization, Elsevier, vol. 209(C), pages 308-325.
    6. Pallab Sanyal, 2016. "Characteristics and Economic Consequences of Jump Bids in Combinatorial Auctions," Information Systems Research, INFORMS, vol. 27(2), pages 347-364, June.
    7. Jennifer Brown & John Morgan, 2009. "How Much Is a Dollar Worth? Tipping versus Equilibrium Coexistence on Competing Online Auction Sites," Journal of Political Economy, University of Chicago Press, vol. 117(4), pages 668-700, August.
    8. Hickman Brent R. & Hubbard Timothy P. & Sağlam Yiğit, 2012. "Structural Econometric Methods in Auctions: A Guide to the Literature," Journal of Econometric Methods, De Gruyter, vol. 1(1), pages 67-106, August.
    9. Philippe Jehiel & Laurent Lamy, 2015. "On absolute auctions and secret reserve prices," RAND Journal of Economics, RAND Corporation, vol. 46(2), pages 241-270, June.
    10. Omar Al-Ubaydli & John List, 2016. "Field Experiments in Markets," Artefactual Field Experiments j0002, The Field Experiments Website.
    11. Stephanie Rosenkranz & Patrick W. Schmitz, 2007. "Reserve Prices in Auctions as Reference Points," Economic Journal, Royal Economic Society, vol. 117(520), pages 637-653, April.
    12. Pasha Andreyanov & El Hadi Caoui, 2022. "Secret reserve prices by uninformed sellers," Quantitative Economics, Econometric Society, vol. 13(3), pages 1203-1256, July.
    13. Isaac, R. Mark & Salmon, Timothy C. & Zillante, Arthur, 2007. "A theory of jump bidding in ascending auctions," Journal of Economic Behavior & Organization, Elsevier, vol. 62(1), pages 144-164, January.
    14. Ulrike Malmendier & Young Han Lee, 2011. "The Bidder's Curse," American Economic Review, American Economic Association, vol. 101(2), pages 749-787, April.
    15. Anthony M. Kwasnica & Katerina Sherstyuk, 2013. "Multiunit Auctions," Journal of Economic Surveys, Wiley Blackwell, vol. 27(3), pages 461-490, July.
    16. Ivanova-Stenzel, Radosveta & Salmon, Timothy C., 2008. "Revenue equivalence revisited," Games and Economic Behavior, Elsevier, vol. 64(1), pages 171-192, September.
    17. Tanjim Hossain & John Morgan, 2005. "A test of the revenue equivalence theorem using field experiments on ebay," Natural Field Experiments 00269, The Field Experiments Website.
    18. Laurent Lamy, 2013. "“Upping the ante”: how to design efficient auctions with entry?," RAND Journal of Economics, RAND Corporation, vol. 44(2), pages 194-214, June.
    19. Hickman Brent R. & Hubbard Timothy P. & Sağlam Yiğit, 2012. "Structural Econometric Methods in Auctions: A Guide to the Literature," Journal of Econometric Methods, De Gruyter, vol. 1(1), pages 67-106, August.
    20. Gary Bolton & Ben Greiner & Axel Ockenfels, 2013. "Engineering Trust: Reciprocity in the Production of Reputation Information," Management Science, INFORMS, vol. 59(2), pages 265-285, January.

    More about this item

    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • L62 - Industrial Organization - - Industry Studies: Manufacturing - - - Automobiles; Other Transportation Equipment; Related Parts and Equipment
    • L81 - Industrial Organization - - Industry Studies: Services - - - Retail and Wholesale Trade; e-Commerce

    Statistics

    Access and download statistics

    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:aea:aejmic:v:7:y:2015:i:3:p:85-103. 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: Michael P. Albert (email available below). General contact details of provider: https://edirc.repec.org/data/aeaaaea.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.