Economists like to model people as rational creatures who make self-interested decisions. But humans don’t act that way. Why do investors, politicians and ordinary people act against their best interests – and how can they be nudged into making better decisions? To find out, FT economics commentator Chris Giles speaks to Richard Thaler, the founding father of behavioural economics. Thaler is a professor at the University of Chicago who won the 2017 Nobel Prize in Economics for his work on how humans make (often irrational) decisions.

This is a repeat of an episode published on The Economics Show, a sister podcast of Behind the Money, on November 7, 2025. Subscribe to The Economics Show on Apple, Spotify, Pocket Casts or wherever you listen.

Presented by Chris Giles. Produced by Mischa Frankl-Duval. Manuela Saragosa is the executive producer. Original music by Breen Turner. Sound design by Breen Turner and Samantha Giovinco. Our broadcast engineer is Andrew Georgiades.

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The Economics Show: What economics gets wrong about human behaviour, with Richard Thaler