Bloomberg View columnist Barry Ritholtz interviews Charles D. Ellis, who founded the international strategy consulting firm Greenwich Associates in 1972. He now serves as an investing consultant to large institutional investors, government organizations and wealthy families. His latest book is “The Index Revolution.” This commentary aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.

Bloomberg View columnist Barry Ritholtz presents a replay of Burt Malkiel's interview, Chemical Bank Chairman’s Professor of Economics, Emeritus, senior economist. He is the author of the widely read investment book "A Random Walk Down Wall Street." This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.