**When a measure becomes a target, it ceases to be a good measure.** Goodhart was a British economist who said (something to the effect of): > When a measure becomes a target, it ceases to be a good measure. **** # More ## Source [https://en.wikipedia.org/wiki/Goodhart%27s_law](https://en.wikipedia.org/wiki/Goodhart%27s_law) ## Related - [[KPIs]] - [[Good Metrics]] - [[System Traps]]