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In Sickness and in Health: Same-Sex Marriage Bans and Sexually Transmitted Infections

24 Pages Posted: 2 Mar 2011 Last revised: 29 May 2012

Andrew M. Francis

Emory University - Department of Economics

Hugo M. Mialon

Emory University - Department of Economics

Handie Peng

Emory University - Department of Economics

Date Written: September 20, 2011

Abstract

This paper analyzes the relationship between same-sex marriage bans and sexually transmitted infections using state-level data from 1981 to 2008. We hypothesize that same-sex marriage bans may directly affect homosexual behavior; may affect or mirror social attitudes toward gays, which in turn may affect homosexual behavior; and may affect or mirror attitudes toward nonmarital sex, which may affect risky heterosexual behavior. Our findings may be summarized as follows. First, same-sex marriage bans are unrelated to gonorrhea rates, which are a proxy for risky heterosexual behavior. However, they are positively associated with syphilis rates, which are a proxy for risky homosexual behavior. Second, of the different legal measures, bans on both same-sex marriage and civil union are most strongly associated with syphilis. Third, the estimates are smaller when we exclude California, the state with the largest gay population, which may indicate it is indeed the behavior of gay men that is driving the findings.

Keywords: Same-Sex Marriage Laws, Social Tolerance, Risky Sex

JEL Classification: K36, I18, J12

Suggested Citation

Francis, Andrew M. and Mialon, Hugo M. and Peng, Handie, In Sickness and in Health: Same-Sex Marriage Bans and Sexually Transmitted Infections (September 20, 2011). Emory Law and Economics Research Paper No. 11-97. Available at SSRN: https://ssrn.com/abstract=1773144 or http://dx.doi.org/10.2139/ssrn.1773144

Andrew M. Francis

Emory University - Department of Economics ( email )

1602 Fishburne Drive
Atlanta, GA 30322
United States

Hugo M. Mialon (Contact Author)

Emory University - Department of Economics ( email )

1602 Fishburne Drive
Atlanta, GA 30322
United States

Handie Peng

Emory University - Department of Economics ( email )

1602 Fishburne Drive
Atlanta, GA 30322
United States
404-727-6364 (Phone)
404-727-4639 (Fax)

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