I imagine quite a bit. Many people in different domains have observed than when a variable becomes the center of research or the target of policy, the causal relationships break down, cannot be used, or predictions about it become spurious.
https://en.wikipedia.org/wiki/Goodhart%27s_law
https://en.wikipedia.org/wiki/Campbell%27s_law
I imagine quite a bit. Many people in different domains have observed than when a variable becomes the center of research or the target of policy, the causal relationships break down, cannot be used, or predictions about it become spurious.
https://en.wikipedia.org/wiki/Goodhart%27s_law
https://en.wikipedia.org/wiki/Campbell%27s_law
https://en.wikipedia.org/wiki/Lucas_critique
https://en.wikipedia.org/wiki/McNamara_fallacy
It is an interesting point wondering how much our increased schooling increases tested IQ levels because of the skills students gain in test taking