Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In 2000, while working at JPMorgan Chase, Li published a paper in The Journal of ...

As global financial markets become increasingly interconnected, accurately modelling correlations between assets is essential. Traditional models often assume static correlations, which fail to ...

Since the seminal paper of Li (2000), the Gaussian copula model has become the market standard of the structured credit derivatives world. By postulating a correlation structure for the default times ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. It’s ba-ack. The formula that famously felled Wall Street. The Gaussian copula — with which banks famously ...

During the financial crisis, it was often impossible to calibrate the Gaussian copula credit portfolio model with base correlation and fixed recovery rates (also known as the standard Gaussian copula ...

We’ll send you a myFT Daily Digest email rounding up the latest Investment Banking news every morning. What this paper reveals that really stands out is that the quant community also didn’t, and doesn ...

MacKenzie is a very smart sociologist, who understands quants and copula functions much more deeply than I ever did. (And, like most journalists, I forgot nearly all of what I ever knew about them ...

As he was brushing his teeth on the morning of July 17, 2014, Thomas Royen, a little-known retired German statistician, suddenly lit upon the proof of a famous conjecture at the intersection of ...

QUANT models and their architects are so misunderstood, often by people working in finance. It pains me, though I am biased. I spent the better part of a decade devoted to studying elegant (and ...