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Blood Donations and Incentives: Evidence from a Field Experiment

  • Götte, Lorenz

    ()

    (University of Bonn)

  • Stutzer, Alois

    ()

    (University of Basel)

There is a longstanding concern that material incentives might undermine prosocial motivation, leading to a decrease in blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood donations in a large-scale field experiment spanning three months and involving more than 10,000 previous donors. We examine two types of incentive: a lottery ticket and a free cholesterol test. Lottery tickets significantly increase donations, in particular among less motivated donors. The cholesterol test leads to no discernable impact on usable blood donations. If anything, it creates a small negative selection effect in terms of donations that must be discarded.

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File URL: http://ftp.iza.org/dp3580.pdf
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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 3580.

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Length: 34 pages
Date of creation: Jul 2008
Date of revision:
Handle: RePEc:iza:izadps:dp3580
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  1. Bénabou, Roland & Tirole, Jean, 2007. "Identity, Dignity and Taboos: Beliefs as Assets," CEPR Discussion Papers 6123, C.E.P.R. Discussion Papers.
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  8. Dirk Sliwka, 2007. "Trust as a Signal of a Social Norm and the Hidden Costs of Incentive Schemes," American Economic Review, American Economic Association, vol. 97(3), pages 999-1012, June.
  9. Götte, Lorenz & Stutzer, Alois, 2008. "Blood Donations and Incentives: Evidence from a Field Experiment," IZA Discussion Papers 3580, Institute for the Study of Labor (IZA).
  10. Steven D. Levitt & John A. List, 2007. "What Do Laboratory Experiments Measuring Social Preferences Reveal About the Real World?," Journal of Economic Perspectives, American Economic Association, vol. 21(2), pages 153-174, Spring.
  11. Tore Ellingsen & Magnus Johannesson, 2008. "Pride and Prejudice: The Human Side of Incentive Theory," American Economic Review, American Economic Association, vol. 98(3), pages 990-1008, June.
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  15. Andreoni, James, 1990. "Impure Altruism and Donations to Public Goods: A Theory of Warm-Glow Giving?," Economic Journal, Royal Economic Society, vol. 100(401), pages 464-77, June.
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