Another magic dirt theory. Maybe take a look at where ability was and is concentrated https://twitter.com/JayMan471/status/514058612550164480 … & http://www.unz.com/jman/zigzag-lightning/ …https://twitter.com/DLeonhardt/status/937508093470101505 …
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I think it's possible that state universities make a difference (both by clustering smart people together as well as providing resources)pic.twitter.com/nyV7ze9ZZw
This is looking at where smart people grew up (and hence, usually born). The effect of universities is primarily due to children of smart people. The universities are themselves downstream of the population that contains them.
Didn’t I say that? There’s still agglomeration effects even if it were all population based, which it isn’t.
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