Well, he's not wrong. It's a system which is slow to change, nigh on impossible to experiment with, we only have one experimental unit, and it responds to inte

Well, he's not wrong. It's a system which is slow to change, nigh on impossible to experiment with, we only have one experimental unit, and it responds to interventions. No wonder it's difficult to science it properly. 'Macroeconomics' by Williamson is my go-to example of the worst textbook I ever had to read (setting aside postmodernism). Overly certain, badly argued, with fishy math. So, a good place to go to for everything wrong with the discipline.