I'm arguing against the existence of things that can't be measured. How is "market efficiency" different from Carl Sagan's "Dragon in my Garage"? It sounds li

I'm arguing against the existence of things that can't be measured. How is "market efficiency" different from Carl Sagan's "Dragon in my Garage"? It sounds like you saying that private companies that don't participate in the stock market are incapable of managing capital or achieving growth.