Learn how theories on government's role in the economy have evolved over the past 250 ...
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Two and a half centuries of economic thought — from Adam Smith to Keynes to modern debate — reveal how every era reinvents the rules of who should run the economy and why.
Laissez-Faire EconomicsKeynesian EconomicsPublic Choice TheoryInvisible Hand
Theory Briefing
- The St. Louis Fed traces 250 years of shifting doctrine on government's economic role, from laissez-faire origins to modern intervention.
- Adam Smith's invisible hand launched the debate, but crises like the Great Depression forced theorists to rethink markets' self-correcting limits.
- Each major theory shift — classical, Keynesian, neoliberal — reflects a society wrestling anew with the principal-agent problem of who best allocates resources.