July 11 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews David Kotok, chairman and chief investment officer at Cumberland Advisors Inc., he is also a member of the National Business Economics Issues Council (NBEIC), the National Association for Business Economics (NABE) and served on the Research Advisory Board of BCA Research. They discuss long term bond maturity and interest rates. This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.

June 27 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews Ed Hyman, Chairman of Evercore ISI, Founder of ISI and Head of Economic Research Team. Hyman has been rated the #1 economist on Wall Street by the Institutional Investor poll of investors. They discuss econometric modeling. This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.