invisible hand
Economic metaphor popularized by Adam Smith; refers to the self-regulating nature of the marketplace. Used as a set phrase.
See also: 見えざる手
Adam Smith proposed the concept of the 'invisible hand'.
市場は神の見えざる手によって調整される。
The market is regulated by an invisible hand.
Translation of Adam Smith's 'invisible hand' from 'The Wealth of Nations'. The phrase uses classical Japanese 見えざる (negative of 見える) meaning 'unseen' or 'invisible'.