https://www.economist.com/democracy-in-america/2017/08/03/unproductive-entrepreneurship-is-increasingly-common-in-america
The rise of the superstars
https://www.economist.com/special-report/2016/09/17/the-rise-of-the-superstars
American dynamism dimmed
https://www.economist.com/united-states/2014/05/10/american-dynamism-dimmed
The jobs machine
https://www.economist.com/business/2013/04/13/the-jobs-machine
Teacher, leave them kids alone
https://www.economist.com/finance-and-economics/2013/02/16/teacher-leave-them-kids-alone