Bloomberg Opinion columnist Barry Ritholtz interviews social psychologist David Dunning – of “Dunning-Kruger effect” fame – who is best known for studying why people have problems recognizing their own incompetence. See omnystudio.com/listener for privacy information.

Bloomberg Opinion columnist Barry Ritholtz interviews Jan van Eck, CEO of Van Eck Associates Corp., which manages $49 billion dollars in ETFs and funds. See omnystudio.com/listener for privacy information.