Estimating Peer Effects in Health Outcomes: Replies and Corrections to Fowler and Christakis
University of Maryland - College Park
Jason M. Fletcher
Yale University - School of Public Health
September 1, 2008
In this note, we address several issues in the Fowler and Christakis (FC) comment on our JHE paper (CCF). This type of situation is conducive to vigorous academic debate - and we appreciate a number of the points that FC raise about our study. Several points are potentially valid and could benefit from in-depth discussion. However, a second aspect the FC paper is the inclusion of slights that speak both to our professional conduct and competence and move beyond professional debate. We address both the issues raised about our results and further clarify additional aspects of the FC comment. We further note that regardless of the points of dispute between CCF and FC, the FC results should not be thought of as causal because FC provides no empirical solution to the reflection problem.
Number of Pages in PDF File: 9
Keywords: Peer Effects, Obesity
JEL Classification: I10, I12working papers series
Date posted: September 2, 2008 ; Last revised: September 17, 2008
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