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Using lotteries to incentivize safer sex behavior: evidence from a randomized controlled trial on HIV prevention
Stockholm University, Faculty of Social Sciences, Institute for International Economic Studies.
2015 (English)Report (Other academic)
Abstract [en]

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.

Place, publisher, year, edition, pages
Washington: World bank group , 2015. , 25 p.
Series
, World Bank Policy Research Working Paper Series, 7215
National Category
Economics
Identifiers
URN: urn:nbn:se:su:diva-125234OAI: oai:DiVA.org:su-125234DiVA: diva2:892133
Available from: 2016-01-08 Created: 2016-01-08 Last updated: 2016-02-01Bibliographically approved

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Svensson, Jakob
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Institute for International Economic Studies
Economics

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