The NPR Podcast Planet Money did a really good episode on this: http://www.npr.org/sections/money/2015/07/24/426017148/episode-641-why-we-work-so-much http://w

The NPR Podcast Planet Money did a really good episode on this: http://www.npr.org/sections/money/2015/07/24/426017148/episode-641-why-we-work-so-much http://www.npr.org/sections/money/2015/07/24/426017148/episo... Fun points - Keynes was a rich man who didn't have to work but who effectively worked himself to death. The descendants of his siblings work heaps despite also being fairly well off as well.