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The Affiliation Effect in First-Price Auctions

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  • Joris Pinkse
  • Guofu Tan

Abstract

We study the monotonicity of the equilibrium bid with respect to the number of bidders n in affiliated private-value models of first-price sealed-bid auctions and prove the existence of a large class of such models in which the equilibrium bid function is not increasing in n. We moreover decompose the effect of a change in n on the bid level into a competition effect and an affiliation effect. The latter suggests to the winner of the auction that competition is less intense than she had thought before the auction. Since the affiliation effect can occur in both private- and common-value models, a negative relationship between the bid level and n does not allow one to distinguish between the two models and is also not necessarily (only) due to bidders taking account of the winner's curse. Copyright The Econometric Society 2005.

Suggested Citation

  • Joris Pinkse & Guofu Tan, 2005. "The Affiliation Effect in First-Price Auctions," Econometrica, Econometric Society, vol. 73(1), pages 263-277, January.
  • Handle: RePEc:ecm:emetrp:v:73:y:2005:i:1:p:263-277
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    File URL: http://hdl.handle.net/10.1111/j.1468-0262.2005.00571.x
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    Citations

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    Cited by:

    1. Yusuke Matsuki, "undated". "A Distribution-Free Test of Monotonicity with an Application to Auctions," Working Papers e110, Tokyo Center for Economic Research.
    2. Tukiainen, Janne, 2008. "Testing for common costs in the City of Helsinki bus transit auctions," International Journal of Industrial Organization, Elsevier, vol. 26(6), pages 1308-1322, November.
    3. Menicucci, Domenico, 2009. "Harmful competition in all-pay auctions," Mathematical Social Sciences, Elsevier, vol. 58(1), pages 110-120, July.
    4. Bruno Larue & Mohamed Jeddy & Sébastien Pouliot, 2013. "On the Number of Bidders and Auction Performance: when More Means Less," Cahiers de recherche CREATE 2013-4, CREATE.
    5. Jingfeng Lu & Isabelle Perrigne, 2008. "Estimating risk aversion from ascending and sealed-bid auctions: the case of timber auction data," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 23(7), pages 871-896.
    6. Coatney, Kalyn T. & Shaffer, Sherrill L. & Menkhaus, Dale J., 2012. "Auction prices, market share, and a common agent," Journal of Economic Behavior & Organization, Elsevier, vol. 81(1), pages 61-73.
    7. Bruno Larue & Sébastien Pouliot & Mohamed Jeddy, 2016. "On the Number and Heterogeneity of Bidders in Livestock Auctions," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 64(2), pages 289-310, June.
    8. Jonathan B. Hill & Artyom Shneyerov, 2009. "Are There Common Values in BC Timber Sales? A Tail-Index Nonparametric Test," Working Papers 09003, Concordia University, Department of Economics.
    9. Marquez, Robert & Singh, Rajdeep, 2013. "The economics of club bidding and value creation," Journal of Financial Economics, Elsevier, vol. 108(2), pages 493-505.
    10. Jun, Sung Jae & Pinkse, Joris & Wan, Yuanyuan, 2010. "A consistent nonparametric test of affiliation in auction models," Journal of Econometrics, Elsevier, vol. 159(1), pages 46-54, November.
    11. Loyola, Gino, 2012. "Optimal and efficient takeover contests with toeholds," Journal of Financial Intermediation, Elsevier, vol. 21(2), pages 203-216.
    12. Hill, Jonathan B. & Shneyerov, Artyom, 2013. "Are there common values in first-price auctions? A tail-index nonparametric test," Journal of Econometrics, Elsevier, vol. 174(2), pages 144-164.
    13. Sumit Joshi & Poorvi Vora, 2013. "Weak and strong multimarket bidding rings," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 53(3), pages 657-696, August.
    14. Hennessy, David A., 2006. "Multi-output firm under price uncertainty," Journal of Economics and Business, Elsevier, vol. 58(3), pages 181-201.
    15. Aradillas-López, Andrés & Gandhi, Amit & Quint, Daniel, 2016. "A simple test for moment inequality models with an application to English auctions," Journal of Econometrics, Elsevier, vol. 194(1), pages 96-115.
    16. Ali Hortacsu & Jakub Kastl, 2008. "Testing for Common Values in Canadian Treasury Bill Auctions," Discussion Papers 07-053, Stanford Institute for Economic Policy Research.
    17. repec:eac:articl:12/15 is not listed on IDEAS
    18. Syngjoo Choi & Lars Nesheim & Imran Rasul, 2016. "Reserve Price Effects In Auctions: Estimates From Multiple Regression-Discontinuity Designs," Economic Inquiry, Western Economic Association International, vol. 54(1), pages 294-314, January.

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