Greed is considered one of the seven deadly sins; but is the accumulation - and retention - of wealth always a bad thing? With economic inequality growing, Elizabeth Hotson asks John Paul Rollert, from the Chicago Booth school of management, why greed has historically invited criticism. We also hear from Paul Piff, Associate Professor of Psychological Science at the University of California, Irvine, who tells us about an experiment in acquisitiveness, played out during a game of Monopoly. Plus serial entrepreneur and self-made multi millionaire, Richard Skellett, tells us why he supports a wealth tax.

Presented by Elizabeth Hotson

(Picture of dollar bills, picture via Getty Images).