> Economists aren’t naive, so they don’t really believe these things entirely. But they assume they are mostly correct over the medium to long term. Spoiler alert from the article: turns out economists are wrong. This will sound inflammatory, but has the field of Economics produced anything of value to society? It seems to be a social "science" based on incorrect generalizations about human psychology and studies tha…
The main problem I see with public economists is Goodharts law: When the predictive model becomes visible to the agents in the economy, there are stable strategies to counteract those models. So if economists want to remain good predictors of real outcomes, they have to collect massive amounts of data to feed the model but then remain mostly invisible afterward, so that the agents being analyzed don't change behavior too much.
In some sense, a known bad model that is used to set central policy may be good because the rest of the economic agents can work on a diversity of better models without correlating as much with each other and the known central model.