The Persistent Struggle

Culture, Philosophy, Economics, Mathematics, Science.

Sunday, 16 July 2023

A dead concept: if it is natural, it is good. Reflections on Jonathan Hardt's "The righteous mind"

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  I have just finished reading the rather lovely and charming "The Righteous Mind" by Jonathan Haidt and thought I would capture s...
Sunday, 28 May 2023

Kinky coins are the norm

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  Books on probability, and all student lessons on probability have relied on the good old thought experiment of tossing a coin.  The so-cal...
Saturday, 25 January 2020

animal spirits

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I like the book "Animal Spirits" quite a bit and thought it might be worth my while to take this generalist economics text and se...
Friday, 24 January 2020

Searching for crazy animals in the factor zoo

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The equity factor approach coming out of the work of Fama, Ross, Sharpe is largely based on a rational expectations / utility maximisation ...
Thursday, 23 January 2020

The whole Black-Scholes formula derivation in one post

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First some intuition on the journey through.  A call option is a security whose value is somehow dependent on the price of the underlying an...
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