If he did work 80 hours a week, he could have accomplished the same amount of work in half the time, had he given himself breaks. Everyone knows productivity go

If he did work 80 hours a week, he could have accomplished the same amount of work in half the time, had he given himself breaks. Everyone knows productivity goes down when you work to long. http://www.economist.com/blogs/freeexchange/2013/09/working-hours http://www.economist.com/blogs/freeexchange/2013/09/working-...