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Auctions with Variable Supply: Uniform Price versus Discriminatory

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Abstract

We examine an auction in which the seller determines the supply after observing the bids. We compare the uniform price and the discriminatory auction in a setting of supply uncertainty. Uncertainty is caused by the interplay of two factors: the seller's private information about marginal cost, and the seller's incentive to sell the profit-maximizing quantity given the received bids. In every symmetric mixed strategy equilibrium, bidders submit higher bids in the uniform price auction than in the discriminatory auction. In the two-bidder case this result extends to the set of rationalizable strategies. As a consequence, we find that the uniform price auction generates higher expected revenue for the seller and higher trade volume.

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  • Damian S. Damianov & Johannes Gerd Becker, 2008. "Auctions with Variable Supply: Uniform Price versus Discriminatory," CER-ETH Economics working paper series 08/80, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
  • Handle: RePEc:eth:wpswif:08-80
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    Cited by:

    1. Angelo Ranaldo & Enzo Rossi, 2016. "Uniform-price auctions for Swiss government bonds: Origin and evolution," Economic Studies 2016-10, Swiss National Bank.
    2. Balistreri, Edward J. & Hillberry, Russell H. & Rutherford, Thomas F., 2010. "Trade and welfare: Does industrial organization matter?," Economics Letters, Elsevier, vol. 109(2), pages 85-87, November.
    3. Balistreri, Edward J. & Hillberry, Russell H. & Rutherford, Thomas F., 2011. "Structural estimation and solution of international trade models with heterogeneous firms," Journal of International Economics, Elsevier, pages 95-108.
    4. Balistreri, Edward J. & Hillberry, Russell H. & Rutherford, Thomas F., 2011. "Structural estimation and solution of international trade models with heterogeneous firms," Journal of International Economics, Elsevier, pages 95-108.
    5. Damianov, Damian S. & Oechssler, Jörg & Becker, Johannes Gerd, 2010. "Uniform vs. discriminatory auctions with variable supply - experimental evidence," Games and Economic Behavior, Elsevier, pages 60-76.
    6. Peyman Khezr & Ian A. MacKenzie, 2016. "Permit Market Auctions with Allowance Reserves," Discussion Papers Series 553, School of Economics, University of Queensland, Australia.
    7. Mazaher Haji Bashi & Gholamreza Yousefi & Claus Leth Bak & Jayakrishnan Radhakrishna Pillai, 2016. "Long Term Expected Revenue of Wind Farms Considering the Bidding Admission Uncertainty," Energies, MDPI, Open Access Journal, vol. 9(11), pages 1-17, November.
    8. Becker, Johannes Gerd & Damianov, Damian S., 2006. "On the existence of symmetric mixed strategy equilibria," Economics Letters, Elsevier, vol. 90(1), pages 84-87, January.
    9. Hummel, Patrick, 2016. "Position auctions with dynamic resizing," International Journal of Industrial Organization, Elsevier, pages 38-46.

    More about this item

    Keywords

    sealed bid multi-unit auctions; variable supply auctions; discriminatory and uniform price auctions; subgame perfect equilibria; rationalizable strategies;

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions

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