National Bureau of Economic Research

The [http://www.nber.org National Bureau of Economic Research] is an American private nonprofit research organization "committed to undertaking and disseminating unbiased economic research among public policymakers, business professionals, and the academic community." The NBER is well known for providing start and end dates for recessions in the United States. Wikipedia*

On the C-SPAN Networks:
National Bureau of Economic Research has hosted 1 event in the C-SPAN Video Library; the first program was a 2013 Speech.