"a one standard deviation increases in [Manhattan air pollution] reduces same-day [S&P500] returns by 11.9%" http://papers.nber.org/papers/w22753?utm_campaign=ntw&utm_medium=email&utm_source=ntw …
Replying to @robinhanson
@bswud there is no remotely plausible causal mechanism here.. ergo: data-mining paper.
2:57 PM - 24 Oct 2016
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