Hutber's law states that "improvement means deterioration". It is founded on the cynical observation that a stated improvement actually hides a deterioration.
The term has seen wide application in business, engineering, and risk analysis. It was first articulated in the 1970s by Patrick Hutber, an economist and journalist who was the City Editor for The Sunday Telegraph in London from 1966 to 1979.
References
Hutber's law Wikipedia(Text) CC BY-SA