Sibling comparisons: how complicated than you thought. http://journals.lww.com/epidem/Abstract/2012/09000/Sibling_Comparison_Designs__Bias_From_Non_Shared.11.aspx …pic.twitter.com/xfAgmDSTS5
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This is somewhat old news. See http://www.nber.org/papers/w6721 or http://www.journals.uchicago.edu/doi/abs/10.1086/260822 …. Especially Bound and Solon make these points very clearly
Economists like to do their own version of behavioral genetics, except that they fill up their papers with incomprehensible jargon.
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So you may forgive me for not _generally_ reading the econ lit.
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