What does Godhart’s law mean?

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It goes “When a measure becomes a target, it ceases to be a good measure.” How does that work in practice?

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Anonymous 0 Comments

I’ve experienced this multiple times in my working career.

If you measure the things that people do, then incent people to hit particular values (or, even worse, penalise them for not hitting them), you are also incenting them to game the system in order to succeed, and should expect them to do so. At which point the measurements are no longer useful, because they aren’t trustworthy.

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