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Sex hormones and competitive bidding

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  • Burkhard Schipper

    (Department of Economics, University of California Davis)

Abstract

We correlate competitive bidding and profits in symmetric independent private value first-price auctions with salivary testosterone, estradiol, progesterone, and cortisol in more than 200 subjects. Bids are significantly positively correlated and profits are significantly negatively correlated with basal salivary progesterone but only for females who do not use hormonal contraceptives. Surprisingly, we have null findings for basal testosterone, estradiol, and cortisol for both males and females. We show that our finding for progesterone is not mediated by risk aversion or bidding mistakes. No hormone responds to total profits in the auctions except for a small positive response of the stress hormone cortisol in males.

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Bibliographic Info

Paper provided by University of California, Davis, Department of Economics in its series Working Papers with number 144.

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Length: 60
Date of creation: 27 Feb 2014
Date of revision:
Handle: RePEc:cda:wpaper:14-4

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Keywords: Hormones; Steroids; Testosterone; Estradiol; Progesterone; Cortisol; Contraceptives; Auctions; Gender; Competition; Aggression; Risk-taking; Endocrinological economics;

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References

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  1. Matthew Pearson & Burkhard C. Schipper, 2009. "Menstrual Cycle and Competitive Bidding," Working Papers 911, University of California, Davis, Department of Economics.
  2. Doug Miller & A. Colin Cameron & Jonah B. Gelbach, 2006. "Bootstrap-Based Improvements for Inference with Clustered Errors," Working Papers 621, University of California, Davis, Department of Economics.
  3. Catherine C. Eckel & Philip J. Grossman, 2008. "Sex and Risk: Experimental Evidence," Development Research Unit Working Paper Series archive-09, Monash University, Department of Economics.
  4. Chen, Yan & Katuščák, Peter & Ozdenoren, Emre, 2013. "Why canʼt a woman bid more like a man?," Games and Economic Behavior, Elsevier, vol. 77(1), pages 181-213.
  5. Marco Casari & John C. Ham & John H. Kagel, 2005. "Selection bias, demographic effects, and ability effects in common value auction experiments," Staff Reports 213, Federal Reserve Bank of New York.
  6. Chen, Yan & Katuscak, Peter & Ozdenoren, Emre, 2007. "Sealed bid auctions with ambiguity: Theory and experiments," Journal of Economic Theory, Elsevier, vol. 136(1), pages 513-535, September.
  7. Zak, Paul J. & Stanton, Angela A. & Ahmadi, Sheila, 2007. "Oxytocin Increases Generosity in Humans," MPRA Paper 5650, University Library of Munich, Germany.
  8. Santiago Sanchez-Pages & Enrique Turiegano, 2009. "Testosterone, Facial Symmetry and Cooperation in the Prisoners’ Dilemma," ESE Discussion Papers 192, Edinburgh School of Economics, University of Edinburgh.
  9. Emel Filiz-Ozbay & Erkut Y. Ozbay, 2007. "Auctions with Anticipated Regret: Theory and Experiment," American Economic Review, American Economic Association, vol. 97(4), pages 1407-1418, September.
  10. Wozniak, David, 2009. "Choices About Competition: Differences by gender and hormonal fluctuations, and the role of relative performance feedback," MPRA Paper 21097, University Library of Munich, Germany.
  11. Buser, Thomas, 2012. "The impact of the menstrual cycle and hormonal contraceptives on competitiveness," Journal of Economic Behavior & Organization, Elsevier, vol. 83(1), pages 1-10.
  12. Muriel Niederle & Lise Vesterlund, 2005. "Do Women Shy Away From Competition? Do Men Compete Too Much?," NBER Working Papers 11474, National Bureau of Economic Research, Inc.
  13. Burkhard Schipper, 2012. "Sex Hormones and Choice under Risk," Working Papers 127, University of California, Davis, Department of Economics.
  14. Urs Fischbacher, 2007. "z-Tree: Zurich toolbox for ready-made economic experiments," Experimental Economics, Springer, vol. 10(2), pages 171-178, June.
  15. Eckel, Catherine C. & Grossman, Philip J., 2008. "Differences in the Economic Decisions of Men and Women: Experimental Evidence," Handbook of Experimental Economics Results, Elsevier.
  16. Greiner, Ben, 2004. "An Online Recruitment System for Economic Experiments," MPRA Paper 13513, University Library of Munich, Germany.
  17. David Wozniak & William T. Harbaugh & Ulrich Mayr, 2010. "The Menstrual Cycle and Performance Feedback Alter Gender Differences in Competitive Choices," University of Oregon Economics Department Working Papers 2010-2, University of Oregon Economics Department.
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Citations

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Cited by:
  1. Burkhard Schipper, 2014. "Sex hormones and choice under risk," Working Papers 147, University of California, Davis, Department of Economics.
  2. Pearson, Matthew & Schipper, Burkhard C, 2009. "Menstrual cycle and competitive bidding," MPRA Paper 16784, University Library of Munich, Germany.
  3. Yan Chen & Peter Katuscak & Emre Ozdenoren, 2005. "Why Can’t a Woman Bid More Like a Man?," CERGE-EI Working Papers wp275, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  4. Drichoutis, Andreas & Nayga, Rodolfo, 2012. "Do risk and time preferences have biological roots?," MPRA Paper 37320, University Library of Munich, Germany.
  5. Matthew Pearson & Burkhard Schipper, 2011. "The Visible Hand: Finger Ratio (2D:4D) and Competitive Bidding," Working Papers 119, University of California, Davis, Department of Economics.

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