The French economist reflects on the reaction to his best-selling book, whether economists are wasting their time with useless math, and why he thinks climate change is the next frontier of inequality. November 18, 2015 Jake J. Smith It's been a year since Thomas Piketty's Capital in the 21st Century took the English-speaking world by storm. On this episode of Radio Harris, the French economist reflects on the reaction to his book, whether economists are wasting their time with useless math, and why he thinks climate change is the next frontier of inequality. To make sure you never miss a new episode of Radio Harris, subscribe on iTunesor follow us on SoundCloud! Upcoming Events More events Policy Research and Innovation Bootcamp (PRIB) Policy Hackathon Challenge Deep Dive Tue., February 10, 2026 | 12:00 PM Preparing for Harris: Teaching Assistantships Wed., February 11, 2026 | 8:30 AM Coffee Chat in Western Massachusetts Wed., February 11, 2026 | 9:00 AM Tunnel City Coffee 100 Spring St #102 Williamstown, MA 01267 United States