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Incentivizing Safer Sexual Behavior: Evidence from a Lottery Experiment on HIV Prevention

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  • Björkman Nyqvist, Martina
  • Corno, Lucia
  • de Walque, Damien
  • Svensson, Jakob

Abstract

The need for effective HIV prevention programs, especially in Sub-Saharan Africa, remains urgent. We investigate the effect of a financial lottery program in Lesotho with relatively low expected payments but a chance to win a high prize conditional on negative test results for sexually transmitted infections. The intervention resulted in a 21.4% reduction in HIV incidence over two years. Lottery incentives appear to be particularly effective in targeting individuals with ex ante risky sexual behavior, consistent with the hypothesis that lotteries are more valued by individuals willing to take risks.

Suggested Citation

  • Björkman Nyqvist, Martina & Corno, Lucia & de Walque, Damien & Svensson, Jakob, 2016. "Incentivizing Safer Sexual Behavior: Evidence from a Lottery Experiment on HIV Prevention," CEPR Discussion Papers 11542, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:11542
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    Blog mentions

    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Sam Watson’s journal round-up for Monday 20th August 2018
      by Sam Watson in The Academic Health Economists' Blog on 2018-08-20 12:00:54

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    Cited by:

    1. Abhijit Banerjee & Eliana La Ferrara & Victor H. Orozco-Olvera, 2019. "The Entertaining Way to Behavioral Change: Fighting HIV with MTV," NBER Working Papers 26096, National Bureau of Economic Research, Inc.
    2. Galárraga, Omar & Kuo, Caroline & Mtukushe, Bulelwa & Maughan-Brown, Brendan & Harrison, Abigail & Hoare, Jackie, 2020. "iSAY (incentives for South African youth): Stated preferences of young people living with HIV," Social Science & Medicine, Elsevier, vol. 265(C).
    3. Kelly Kilburn & Lucia Ferrone & Audrey Pettifor & Ryan Wagner & F. Xavier Gómez-Olivé & Kathy Kahn, 0. "The Impact of a Conditional Cash Transfer on Multidimensional Deprivation of Young Women: Evidence from South Africa’s HTPN 068," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 0, pages 1-31.
    4. Kelly Kilburn & Lucia Ferrone & Audrey Pettifor & Ryan Wagner & F. Xavier Gómez-Olivé & Kathy Kahn, 2020. "The Impact of a Conditional Cash Transfer on Multidimensional Deprivation of Young Women: Evidence from South Africa’s HTPN 068," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 151(3), pages 865-895, October.
    5. Lépine, Aurélia & Treibich, Carole, 2020. "Risk aversion and HIV/AIDS: Evidence from Senegalese female sex workers," Social Science & Medicine, Elsevier, vol. 256(C).

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    More about this item

    Keywords

    Financial incentives; HIV prevention; lotteries;
    All these keywords.

    JEL classification:

    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior
    • I15 - Health, Education, and Welfare - - Health - - - Health and Economic Development
    • O15 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration

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