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Antiretroviral therapy and demand for HIV testing: Evidence from Zambia

Listed author(s):
  • Wilson, Nicholas

This paper examines the effects of antiretroviral therapy (ART) on demand for HIV testing and of ART-induced testing on demand for risky sexual behavior. I provide a model of sexual behavior decision-making under uncertainty and estimate the structural parameters of the model using nationally representative survey data from Zambia on HIV testing decisions before and after the introduction of ART. The empirical results indicate that although the introduction of ART appears to have increased HIV testing rates by upwards of 50 percent, the ART allocation process may have limited the prevention benefit of ART-induced testing. Simulation results show that eliminating this prevention inefficiency while holding the supply of ART constant would increase the prevention impact of ART-induced testing more than four-fold. More generally, the analysis indicates that existing studies which examine “universal” testing or quasi-experimental testing programs understate the efficacy of standard voluntary counseling and testing programs.

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File URL: http://www.sciencedirect.com/science/article/pii/S1570677X16300041
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Article provided by Elsevier in its journal Economics & Human Biology.

Volume (Year): 21 (2016)
Issue (Month): C ()
Pages: 221-240

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Handle: RePEc:eee:ehbiol:v:21:y:2016:i:c:p:221-240
DOI: 10.1016/j.ehb.2016.02.003
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/622964

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  19. Baird, Sarah & Gong, Erick & McIntosh, Craig & Özler, Berk, 2014. "The heterogeneous effects of HIV testing," Journal of Health Economics, Elsevier, vol. 37(C), pages 98-112.
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