King attended a recent conference, mentions Aral's paper as a highlight and says:
Sinan Aral’s paper distinguished between the effects of homophily (i.e., the tendency of similar people to know each other and, consequently, to do the same kinds of stuff) and direct network links on the adoption of a technology. The paper very effectively shows that when you control for selection effects due to homophily, direct network links do not account for as much technology adoption as you might think.Read King's complete blog post here.
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