Peer Effects in the Demand for Male Circumcision

Posted: 27 Dec 2016

See all articles by Booyuel Kim

Booyuel Kim

KDI School of Public Policy and Management

Hyuncheol Kim

Cornell University

Cristian Pop-Eleches

Columbia University - School of International & Public Affairs (SIPA)

Date Written: December 2016

Abstract

This paper addresses two questions:

1) How to promote demand for male circumcision in the context of secondary schools in Malawi and,

2) What is the role of peer effects in the demand for male circumcision.

We randomly provided free male circumcision and transportation vouchers to male students across 33 public secondary schools near Lilongwe, Malawi. Using a two-step randomized design, we first assigned classrooms into three groups (100% Treatment, 50% Treatment, or No Treatment classrooms) and then also randomly selected half of male students in 50% Treatment classrooms for treatment. We find that our intervention substantially increased the demand for male circumcision by on average 15.4 percentage points (188%). We also find evidence of peer effects since untreated students in 50% Treatment classrooms were 3.8 percentage points (79%) more likely to get circumcised than students in No Treatment classrooms. Finally, we provide evidence of important reinforcement effects when close friends within the same classroom receive the intervention together.

Suggested Citation

Kim, Booyuel and Kim, Hyuncheol and Pop-Eleches, Cristian (Kiki), Peer Effects in the Demand for Male Circumcision (December 2016). Available at SSRN: https://ssrn.com/abstract=2889293

Booyuel Kim (Contact Author)

KDI School of Public Policy and Management ( email )

P.O. Box 184
Seoul, 130-868
Korea, Republic of (South Korea)

Hyuncheol Kim

Cornell University ( email )

Ithaca, NY 14853
United States

Cristian (Kiki) Pop-Eleches

Columbia University - School of International & Public Affairs (SIPA) ( email )

420 West 118th Street
New York, NY 10027
United States

HOME PAGE: http://www.columbia.edu/~cp2124

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