> To assume everyone is a rational actor No one assumes or thinks this. Economists know about mental illness for starters. They assume there exists enough rat

> To assume everyone is a rational actor No one assumes or thinks this. Economists know about mental illness for starters. They assume there exists enough rational actors within the market such that it's run by rational actors. What you'd need to think is.. no one in the market is a rational actor or a lessor form there are not enough ration actors in a market to keep it running, to think differently.