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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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    More about this item

    Keywords

    Financial incentives; HIV prevention; lotteries;

    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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