# Metadata Source URL:: https://en.wikipedia.org/wiki/Goodhart%27s_law Topics:: #statistic --- # Goodhart's law - Wikipedia ## Highlights > [!quote]+ Updated on 171022_194905 > > Goodhart's law is an adage often stated as, "When a measure becomes a target, it ceases to be a good measure".[1] 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 > [!quote]+ Updated on 171022_194910 > > Any observed statistical regularity will tend to collapse once pressure is placed upon it for control purposes