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Is It Possible to Make Much Better Predictions Using Mainstream Economic Models?
Main stream economic models did some version of this, but they would typically couple a an a standard a epidemiological model. So we had a model with 56 industries. And so we could then predict how much each industry would be shut down as a result of people not being able to come to work. We predicted a 21 and a half % drop in g d p in the second quarter of 20 20. What was observed was a 22 point one percent drop in g D P. That's right. The tales agn fairly thin. But when you do this thing where you're taking complexity in chaos seriously,you begin to appreciate something you might call systemic risk.