The #1 method for creating a strong economy has been to try reaching maximum labor participation - everyone has a job, and government does what it can to move people into a position to meet labor demand.
Once we move into a post-labor economy, we will just have to adjust how we make capitialism work through things like Universal Basic Income.
http://news.investors.com/ibd-editorials/060815-756320-domin...
What did you think Tesla would do after they finished "destroying the major auto manufacturers"?
Absent force, a person is free to either accept or reject a given deal.
That's what has always been labeled capitalism, starting with the socialist critiques of the dominant system (filled, as it was, with coercive force and cronyism) in the developed world in the mid-to-late 19th century who invented the term "capitalism" as a label for that system.
Outside of incoherent, fantasies the neither exist in the real world or stand up to much examination even in theory -- fantasies constructed largely as a propaganda to defend that coercive, cronyistic system from its critics -- nothing else but coercive, cronyism-dominated systems has ever been referred to with the label "capitalism".
>It works until you run out of consumers with cash, at which point it no longer works.
edit: spelling