Goodhart's law
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Goodhart's law
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![](https://upload.wikimedia.org/wikipedia/commons/9/94/Charles_Goodhart_delives_the_2012_Long_Finance_conference_keynote_speech.JPG)
### Metadata
- Title: Goodhart's law - Wikipedia
- URL: https://en.wikipedia.org/wiki/Goodhart%27s_law
- Highlighted by: taka (Shunsuke Takagi)(https://glasp.co/#/tkgshn/?p=1pTsTLTTlPOgohqFenSY)
### Highlights & Notes
- Goodhart's law is often stated as "When a measure becomes a target, it ceases to be a good measure."
- Any statistical relationship will break down when used for policy purposes.
- All scientific evaluation criteria will inevitably be misused. Goodhart's law ... states that when the characteristics of an economy are chosen as economic indicators, people start to gamify it, inevitably stopping its function as an indicator.
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Goodhart's law - Wikipedia
Summary of things like "If you define it, it will be hacked"