# Goodhart's Law | | **Goodhart's Law** is an adage often stated as, "When a measure becomes a target, it ceases to be a good measure". It is named after British economist Charles Goodhart, who is credited with expressing the core idea of the adage in a 1975 article on monetary policy in the United Kingdom:Any observed statistical regularity will tend to collapse once pressure is placed upon it for control purposes. | |-|-| | | wikipedia:: [Goodhart's law](https://en.wikipedia.org/wiki/Goodhart's_law) |