kamakura blog

   
   
Author: Donald van Deventer Created: 3/10/2009 8:52 AM
Born and brought up in California, Don holds a Ph.D. in Business Economics, a joint degree of the Harvard University Department of Economics and the Harvard Graduate School of Business Administration. Don currently services on the Board of Directors of the Harvard Alumni Association and on the Alumni Council of the Graduate School of Arts and Sciences. He also holds a degree in mathematics and economics from Occidental College, where he graduated summa cum laude and Phi Beta Kappa. Don founded Kamakura Corporation in April 1990 and currently serves as its chairman and chief executive officer where he focuses on enterprise wide risk management and modern credit risk technology. His primary financial consulting and research interests involve the practical application of leading edge financial

One of the most frequently asked questions when people review predictive models of default is this: “Aren’t those explanatory variables correlated, and doesn’t this create problems with multi-collinearity?” Since almost every default model has correlated explanatory variables, this is a question that comes up often. Since I am not an econometrician (although many of my colleagues are), this post collects quotes on this issue from nine popular econometrics texts (it was a 3 day weekend in the USA) to answer this question.

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Z-man, senior Regional Banker, pointed out this quote from Donald Sull, faculty director of executive education at the London Business School, "My own sense is that we’ve got a lot of heroes of the last war still running around," he says. "[A bank] CEO is always a hard job, [but] it’s a much easier job when you’ve got a lot of tailwind. I think a lot of the current CEOs confused tailwind for horsepower." Institutional Investor, April 9, 2009.

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