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Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.

• In lots of 80s/early 90s profiles of quantitative investors, there's a list of the general strategies they used, and a surprisingly common one is "Japanese warrants." In today's Capital Gains, we look at what that meant and why it was such a common trade:

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Co-founder and CTO of Oxide Computer Company. Created DTrace at Sun Microsystems and was CTO of Joyent; blogs about systems software, open source and engineering culture.

• This kind of rhetorical slithering -- accusing those who take a quantitative claim seriously of "playing word games" -- is exactly what has so many of us exhausted. If it wasn't meant to be taken seriously than it is JUST stoking fear -- the irresponsibility of which was the point of the piece.
  Quoting@georgereese.imaginary.comI think taking issue with the difference between "a 10% chance of killing off humanity" vs "civilization threatening activities" is just playing word games.

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Economist; former chief economist of the International Monetary Fund.

• Separate and interesting discussion. True, the ECB (BDF) is slowly reducing its holdings of sovereign bonds, including French bonds (this is called QT, quantitative tightening). By selling those bonds, it decreases their price (not very much, but a bit) and thus increases the interest rate paid by the governments of the euro zone. This indeed makes things a bit harder for the government, who now pay more on their debt. Is the ECB doing this to spite governments, or to induce them to adjust? Emphatically not. It is doing this because it wants to reduce reserves (which is what happens when it s…
  Quoting@StefPalomba@ojblanchard1 1/ la BdF fait partie de l’Etat donc 2/ l’histoire ne tient pas sauf à imaginer que Pierre soit le gouv, 3/ si Paul, dont ce n’est pas le rôle, veut contrer la politique de Pierre, il remet les titres sur le marché, le taux d’intérêt grimpe, 4/ congeler a donc du sens pour Pierre

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Professor of Cognitive and Computational Neuroscience at the University of Sussex, co-director of the Sussex Centre for Consciousness Science, and author of Being You: A New Science of Consciousness.

• Evolving reservoir computers reveal bidirectional coupling between predictive power and emergent dynamics

  dynamics-dynamics that make the whole system "more than the sum of its parts." We examine the relationship between prediction performance and emergence by leveraging quantitative metrics of emergence and modeling enviro…

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Runs global health R&D at Open Philanthropy; writes about the science and medicine that could exist and does not.

• A Quantitative Approach to Vaccine Funding

  It is always easiest to insult your own work, so let me tell you what's wrong with the piece Rafael Dib and I just published on vaccine R&D. Our analysis is driven by a practical question: how should Open Philanthropy s…

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Psychiatrist and clinical assistant professor at Case Western Reserve University. Writes Psychiatry at the Margins on the philosophical and scientific arguments inside psychiatry and the psy-sciences.

• Principles and procedures for revising the hierarchical taxonomy of psychopathology.

  Quantitative, empirical approaches to establishing the structure of psychopathology hold promise to improve on traditional psychiatric classification systems. The Hierarchical Taxonomy of Psychopathology (HiTOP) is a fr…

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