# Thomas Piketty: New thoughts on capital in the twenty-first century

French economist Thomas Piketty caused a sensation in early 2014 with his book on a simple, brutal formula explaining economic inequality: r > g (meaning that return on capital is generally higher than economic growth). Here, he talks through the massive data set that led him to conclude: Economic inequality is not new, but it is getting worse, with radical possible impacts.

- Kind: Talk
- Year: 2014
- Runtime: 21 min
- By: TED.com
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/ThomasPiketty_2014S)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/ThomasPiketty_2014S?play=1)