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patrickc's profile
Patrick Collison
Patrick Collison
Patrick Collison
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@patrickc

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Patrick CollisonVerified account

@patrickc

Fallibilist, optimist. Stripe CEO.

patrick@stripe.com
patrickcollison.com
Joined April 2007

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    1. Patrick Collison‏Verified account @patrickc 17 Nov 2019
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      Partly inspired by @albrgr's tweets, I dug a little more into recent findings on the relationship between air pollution and cognition. The effects seem rather amazingly large: https://patrickcollison.com/pollution .

      42 replies 324 retweets 898 likes
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    2. Patrick Collison‏Verified account @patrickc 18 Nov 2019
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      Just added three more interesting empirical measures:pic.twitter.com/LyJFYQsiqx

      10 replies 14 retweets 77 likes
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    3. Ian Leslie‏ @mrianleslie 18 Nov 2019
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      Replying to @patrickc @albrgr

      On stock markets - I don't understand - what's the theory/mechanism here?

      2 replies 0 retweets 0 likes
    4. Benedict Evans‏Verified account @benedictevans 18 Nov 2019
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      Replying to @mrianleslie @patrickc @albrgr

      That is clearly spurious given how many investors aren’t physical in New York.

      1 reply 0 retweets 5 likes
      Patrick Collison‏Verified account @patrickc 18 Nov 2019
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      Replying to @benedictevans @mrianleslie @albrgr

      The paper addresses this. "Using data from all pollution monitors across the U.S., we find that pollution in New York City has by far the largest effect and is the only significant one."pic.twitter.com/bJ01PQEIre

      7:53 AM - 18 Nov 2019
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      • Akin Owoeye Derin Cag Mike D.
      4 replies 0 retweets 4 likes
        1. Benedict Evans‏Verified account @benedictevans 18 Nov 2019
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          Replying to @patrickc @mrianleslie @albrgr

          Fidelity isn’t based in New York. neither are half of the hedge funds

          0 replies 0 retweets 3 likes
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        1. José Luis Ricón Fernández de la Puente‏ @ArtirKel 18 Nov 2019
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          Replying to @patrickc @benedictevans and

          Yes, seems odd to me too

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        1. Jack Sanford‏ @John_LeslieIV 18 Nov 2019
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          Replying to @patrickc @benedictevans and

          Please remove the stock market correlation paragraph or else I will be forced to start a hedge fund that trades based on NYC pollution levels. Haha.

          0 replies 0 retweets 0 likes
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        1. New conversation
        2. bigendsanon‏ @anonboii4 18 Nov 2019
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          Replying to @patrickc @benedictevans and

          Correlation does not equal causation, there are many other common factors that are more likely to be effecting the market that happen to also cause higher pollution, for example Friday might be the highest traffic levels and also the day of the week that traders are most tired.

          1 reply 0 retweets 0 likes
        3. bigendsanon‏ @anonboii4 18 Nov 2019
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          Replying to @anonboii4 @patrickc and

          the days of the highest traffic are also the days where workers would be most likely to be tired directly due to that traffic and would also cause the pollution to be higher on those days but that doesn't mean the pollution causes them to be tired. this is just one common factor

          0 replies 0 retweets 0 likes
        4. End of conversation

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