Overview
Adam Smith (1723–1790) was a Scottish moral philosopher and political economist, widely regarded as the founder of modern economics. His 1776 work An Inquiry into the Nature and Causes of the Wealth of Nations (source—wealth-of-nations) established economics as a discipline and articulated the theoretical case for free markets, competitive price mechanisms, and the specialisation of labour as the engine of national prosperity.
He was a professor of Moral Philosophy at the University of Glasgow and a close friend of David Hume. His earlier work, The Theory of Moral Sentiments (1759), argues that human moral judgment arises from sympathy — our capacity to imagine how an impartial spectator would view our actions. This grounds the Wealth of Nations: Smith was not arguing that selfishness is good, but that market institutions channel self-interest into socially productive outcomes.
Core Intellectual Contributions
The Invisible Hand
Self-interest, operating under competitive conditions, leads individuals to allocate resources in ways that benefit society — without intending to do so. See invisible-hand.
Division of Labour
Specialisation of tasks dramatically multiplies productive output. The extent of specialisation is limited by the extent of the market. See division-of-labour.
Labour Theory of Value
Labour is the real measure of the exchange value of all commodities. See labour-theory-of-value
Natural vs. Market Price
Markets tend toward a long-run equilibrium price (“natural price”) that covers wages, profit, and rent at ordinary rates. Market price oscillates around this gravitational centre. See natural-vs-market-price.
Productive vs. Unproductive Labour
Capital accumulation — the engine of national wealth — requires directing income into productive labour (which creates vendible goods) rather than unproductive labour (which consumes without creating).
Critique of Mercantilism
Wealth is not gold; it is productive capacity. Import restrictions harm consumers to enrich merchants. Free trade benefits all parties.
Historical Position
Smith stands at the beginning of classical economics. His labour theory of value was later developed by David Ricardo and Karl Marx. His invisible hand became the theoretical foundation for 20th-century market liberalism (Hayek, Friedman). His productive/unproductive labour distinction informed Keynes’s concern with aggregate demand. His warnings about merchants capturing government policy anticipated Munger’s psychology of self-serving bias by two centuries.
Relationship to Other Thinkers in the Wiki
- charlie-munger: Munger’s first mental model (“microeconomics and the theory of the firm”) is downstream of Smith. Both warn that stated interest diverges from true interest in predictable ways.
- naval-ravikant: Naval’s framework of leverage — labour, capital, code/media — is a 21st-century extension of Smith’s observation that not all labour is equally multiplicative.
- daniel-kahneman: Smith’s observation that extreme specialisation produces “as stupid and ignorant as it is possible for a human creature to become” is a pre-scientific description of System 2 atrophy.
- richard-thaler: Behavioural economics (Thaler/Kahneman) is partly a project of identifying where the “invisible hand” argument breaks down — where self-interest and market incentives fail to produce efficient outcomes.