Using Lotteries to Incentivize Safer Sexual Behavior

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World Bank Group, Washington, DC

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Financial incentives are a promising HIV prevention strategy. This paper assesses the effect on HIV incidence of a lottery program in Lesotho with 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 percent reduction in HIV incidence over two years. Lottery incentives appear to be particularly effective for individuals willing to take risks. This paper estimates a model linking sexual behavior to HIV incidence and finds that risk-loving individuals reduce the number of unprotected sexual acts by 0.3/month for every $1 increase in the expected prize.

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HIV, AIDS, conditional cash transfers, financial incentives, safe sexual behavior, sexually transmitted infection, school enrollment, lottery program

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http://hdl.handle.net/123456789/412016

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https://hdl.handle.net/10986/21654

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