This year's Nobel prize celebrates the "credibility revolution" that has transformed economics since the 1990s. Today most notable new work is not theoretical but based on analysis of real-world data. Host Rachana Shanbhogue speaks to two of the winners, David Card and Joshua Angrist, and our Free Exchange columnist Ryan Avent explains how their work has brought economics closer to real life. Sign up for our new weekly newsletter dissecting the big themes in markets, business and the economy at economist.com/moneytalks  For full access to print, digital and audio editions, subscribe to The Economist at www.economist.com/podcastoffer   See acast.com/privacy for privacy and opt-out information.