In economics, the invisible hand describes the market force that can coordinate individual self-interest without central planning.
Adam Smith popularized the expression in *The Wealth of Nations*, published in 1776. He argued that people pursuing their own interests can sometimes unintentionally promote wider economic benefits, especially through competition and voluntary exchange. Prices help transmit information about scarcity and demand, encouraging buyers and sellers to adjust their decisions.
The phrase does not mean that every market outcome is efficient or fair. Markets can fail because of externalities, public goods, monopoly power, or incomplete information. Smith also recognized roles for law, justice, and public institutions.
A common mix-up is treating the invisible hand as a literal economic mechanism or as a guarantee that private decisions always produce the best social result. It is better understood as a metaphor for decentralized coordination through markets.