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HIV Breakthroughs and Risky Sexual Behavior

Author

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  • Darius Lakdawalla
  • Neeraj Sood
  • Dana Goldman

Abstract

Recent HIV treatment breakthroughs have lowered HIV mortality in the United States, but have also coincided with increased HIV incidence. We argue that these trends are causally linked, because new treatments have improved health and survival for the HIV +, increased their sexual activity, and thus facilitated HIV's spread. Using variation in state-level Medicaid eligibility rules as an instrument for HIV treatment, we find that treating HIV + individuals more than doubles their number of sex partners. A change of this magnitude would increase infection risk by at least 44 percent for the HIV-negative and likely have lowered their expected welfare.

Suggested Citation

  • Darius Lakdawalla & Neeraj Sood & Dana Goldman, 2006. "HIV Breakthroughs and Risky Sexual Behavior," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 121(3), pages 1063-1102.
    • Handle: RePEc:oup:qjecon:v:121:y:2006:i:3:p:1063-1102.
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    References listed on IDEAS

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    3. Douglas Staiger & James H. Stock, 1997. "Instrumental Variables Regression with Weak Instruments," Econometrica, Econometric Society, vol. 65(3), pages 557-586, May.
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    • I1 - Health, Education, and Welfare - - Health

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