ENCORE: 50 things that shaped the modern economy

In this encore episode, Tim Harford joins Cardiff Garcia to talk about the way 50 different inventions have shaped the way the economy works today, from video games to the tally stick. It's the subject of his book, "Fifty things that made the modern economy", and a BBC audio series. Music by Podington Bear. See acast.com/privacy for privacy and opt-out information.