Chinese Waterloo Grad to Blame for our Deep Recession
| 4 Comments »Hahahaha, fucking quantitative Asian Males, you’ll be the death of us all!!! From The Star:
Meet the man whose big idea felled Wall Street
Math whiz proposed applying this statistical formula to credit risk, and financial meltdown ensued
Mar 18, 2009 04:30 AM
Cathal Kelly
STAFF REPORTER
Note: This article has been edited to correct a previously published version.
Former University of Waterloo statistician David X. Li didn’t burn down the American economy. He just supplied the matches.
As economists and market watchers cast about for people to blame for the U.S. market meltdown, Li has surfaced as a scapegoat. Recently, Wired magazine ran an article on Li’s work subtitled, “The Formula That Killed Wall Street.”
The formula in question is the so-called Gaussian copula function. On the most basic level, the formula allows statisticians to model the behaviour of several correlated risks at once.
In a scholarly paper published in 2000, Li proposed the theorem be applied to credit risks, encompassing everything from bonds to mortgages. This particular copula was not new, but the financial application Li proposed for it was.



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