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Collusion in Repeated Procurement Auction: A Study of a Paving Market in Japan


  • Rieko Ishii


We examine auction data to determine if bid rigging presents in procurement auctions for paving works in Ibaraki City, Osaka, Japan. We first show that sporadic bidding wars are caused by the participation of potential "outsiders." Assuming that the ring is all-inclusive if the auction is not the bidding war, we estimate the scheme by which the ring allocates a win to its members. It is found that the ring tends to select a bidder whose winless period is long and whose winning amount in the past is small relative to other bidders.

Suggested Citation

  • Rieko Ishii, 2008. "Collusion in Repeated Procurement Auction: A Study of a Paving Market in Japan," ISER Discussion Paper 0710, Institute of Social and Economic Research, Osaka University.
  • Handle: RePEc:dpr:wpaper:0710

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    References listed on IDEAS

    1. Motta,Massimo, 2004. "Competition Policy," Cambridge Books, Cambridge University Press, number 9780521016919, May.
    2. Patrick Bajari & Lixin Ye, 2003. "Deciding Between Competition and Collusion," The Review of Economics and Statistics, MIT Press, vol. 85(4), pages 971-989, November.
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    5. Martin Pesendorfer, 2000. "A Study of Collusion in First-Price Auctions," Review of Economic Studies, Oxford University Press, vol. 67(3), pages 381-411.
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    7. Robert H. Porter & J. Douglas Zona, 1999. "Ohio School Milk Markets: An Analysis of Bidding," RAND Journal of Economics, The RAND Corporation, vol. 30(2), pages 263-288, Summer.
    8. Robert Porter, 2005. "Detecting Collusion," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 26(2), pages 147-167, December.
    9. Skrzypacz, Andrzej & Hopenhayn, Hugo, 2004. "Tacit collusion in repeated auctions," Journal of Economic Theory, Elsevier, vol. 114(1), pages 153-169, January.
    10. Joseph E. Harrington, Jr, 2005. "Detecting Cartels," Economics Working Paper Archive 526, The Johns Hopkins University,Department of Economics.
    11. Aoyagi, Masaki, 2003. "Bid rotation and collusion in repeated auctions," Journal of Economic Theory, Elsevier, vol. 112(1), pages 79-105, September.
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    Cited by:

    1. Arai, Koki & Ishibashi, Ikuo & Ishii-Ishibashi, Rieko, 2011. "Research and analysis on bid rigging mechanisms," Japan and the World Economy, Elsevier, vol. 23(1), pages 1-5, January.
    2. Ishii, Rieko, 2009. "Favor exchange in collusion: Empirical study of repeated procurement auctions in Japan," International Journal of Industrial Organization, Elsevier, vol. 27(2), pages 137-144, March.
    3. Rieko Ishii, 2014. "Bid Roundness Under Collusion in Japanese Procurement Auctions," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 44(3), pages 241-254, May.
    4. Imhof, David, 2017. "Simple Statistical Screens to Detect Bid Rigging," FSES Working Papers 484, Faculty of Economics and Social Sciences, University of Freiburg/Fribourg Switzerland.
    5. Sylvain Chassang & Juan Ortner, 2017. "Collusion in Auctions with Constrained Bids: Theory and Evidence from Public Procurement," Working Papers 072_2015, Princeton University, Department of Economics, Econometric Research Program..
    6. Maris Goldmanis & Antonio Penta & Francesco Decarolis, 2012. "Common Agency and Coordinated Bids in Sponsored Search Auctions," 2012 Meeting Papers 106, Society for Economic Dynamics.
    7. Francesco Decarolis, 2009. "When the highest bidder loses the auction: theory and evidence from public procurement," Temi di discussione (Economic working papers) 717, Bank of Italy, Economic Research and International Relations Area.

    More about this item

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • H57 - Public Economics - - National Government Expenditures and Related Policies - - - Procurement
    • L44 - Industrial Organization - - Antitrust Issues and Policies - - - Antitrust Policy and Public Enterprise, Nonprofit Institutions, and Professional Organizations


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