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Unobserved Heterogeneity and Reserve Prices in Auctions

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  • James W. Roberts

Abstract

This study addresses the need to account for unobserved heterogeneity in auctions to improve our estimates of the distribution of bidder values. The method uses reserve prices to allow the distribution of bidders' private information to depend on the realization of the unobserved heterogeneity. The identifying assumption is that reserve prices are monotonic in the realization of unobserved heterogeneity and sellers are not required to set reserve prices optimally. The model can be estimated using only transaction prices. The paper proposes an estimation method and derives the asymptotic distribution of the proposed estimator. Working with data on used car auctions, the paper shows that controlling for unobserved heterogeneity a ects estimates of the distribution of bidder values and impacts predicted outcomes dramatically.

Suggested Citation

  • James W. Roberts, 2009. "Unobserved Heterogeneity and Reserve Prices in Auctions," Working Papers 10-80, Duke University, Department of Economics.
    • Handle: RePEc:duk:dukeec:10-80
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    Cited by:

    1. Marmer, Vadim & Shneyerov, Artyom & Xu, Pai, 2013. "What model for entry in first-price auctions? A nonparametric approach," Journal of Econometrics, Elsevier, vol. 176(1), pages 46-58.
    2. Hu, Yingyao & McAdams, David & Shum, Matthew, 2013. "Identification of first-price auctions with non-separable unobserved heterogeneity," Journal of Econometrics, Elsevier, vol. 174(2), pages 186-193.
    3. Donna, Javier & Espin-Sanchez, Jose, 2014. "Complements and Substitutes in Sequential Auctions: The Case of Water Auctions," MPRA Paper 55079, University Library of Munich, Germany.
    4. Yingyao Hu & David McAdams & Matthew Shum, 2009. "Nonparametric identification of auction models with non-separable unobserved heterogeneity," CeMMAP working papers CWP15/09, Centre for Microdata Methods and Practice, Institute for Fiscal Studies.
    5. Kim, Dong-Hyuk, 2013. "Optimal choice of a reserve price under uncertainty," International Journal of Industrial Organization, Elsevier, vol. 31(5), pages 587-602.

    More about this item

    Keywords

    Auctions; Unobserved Heterogeneity;

    JEL classification:

    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • L20 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - General
    • L62 - Industrial Organization - - Industry Studies: Manufacturing - - - Automobiles; Other Transportation Equipment; Related Parts and Equipment

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