An analysis of data from the Tokyo Stock Exchange provides the first quantitative evidence for the Lillo-Mike-Farmer model—a long-standing theory in economics.
I worked with some numerical analyst/software people before. Although their C++ code looks modern and fancy, the effort to install all the dependencies and finally utilize those is not worthy of the trouble. Eventually, it's all about solving the problem efficiently, not the appearance.
Interesting article (thanks for sharing).
Indeed, a genuine prior is the key to apply Bayes' rule. However, is there a proof that it always exist? (As Feynman would question the law of physics changing in time.)
