Economics Atlas

How Wealth Is Ordered
Concepts

Comparative Advantage

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Comparative advantage is the principle that two trading parties, whether individuals, firms or countries, can both gain from trade even when one of them is more efficient than the other at producing everything, so long as each specializes in producing the good it can produce at the lowest opportunity cost relative to the other. The idea was developed within the classical economics tradition, most famously by David Ricardo in the early nineteenth century, as an argument for free trade against the mercantilist view that a nation gains only when it wins at the expense of its trading partners. Comparative advantage remains one of the most widely taught and most widely debated propositions in economics, since its conclusions depend on assumptions, including full employment and costless movement of resources between industries, that do not always hold in practice.

Facts
Field
International Trade 1
Proposed By
David Ricardo, who developed the classical theory of comparative advantage in 1817. 2
Origin Year
1817 2
Significance
Widely regarded as one of the most powerful yet counter-intuitive insights in economics: comparative advantage, not absolute advantage, is what drives the gains from international trade. 2
Cross-Tradition Connections

Critiqued Here

Why this is disputed. UNCTAD was built around founding Secretary-General Raul Prebisch's structuralist critique of the classical case for comparative-advantage-based free trade, arguing it left commodity-exporting economies permanently disadvantaged against manufacturing exporters.

Associated With

The WTO's rules based trading system rests on the classical case, first formalized by David Ricardo, that nations gain from specializing according to comparative advantage and trading openly, though real trade negotiations weigh many other national interests alongside this principle.

Associated With School

The concept was developed within the classical economics tradition, most famously by David Ricardo in the early nineteenth century.

Attributed To

Additional Source WikipediaDavid Ricardo
Sources
1. Encyclopaedia Britannica
Encyclopaedia Britannica, Inc.
2. Wikipedia
Wikimedia FoundationComparative advantage
Quote, Comparative advantage
David Ricardo developed the classical theory of comparative advantage in 1817 to explain why countries engage in international trade
View the Source
2. Wikipedia
Wikimedia FoundationComparative advantage, History section
Quote, Comparative advantage, History section
In 1817, David Ricardo published what has since become known as the theory of comparative advantage in his book On the Principles of Political Economy and Taxation.
View the Source
2. Wikipedia
Wikimedia FoundationComparative advantage, Lead sectionView the Source
2. Wikipedia
Wikimedia FoundationAttributed To: David Ricardo, David RicardoView the Source
World Trade Organization (Official Website)
World Trade OrganizationAssociated With: World Trade OrganizationView the Source
UNCTAD (United Nations Office at Geneva)
United Nations Office at GenevaAssociated With: United Nations Conference on Trade and Development
On the Principles of Political Economy and Taxation
Attributed To: David Ricardo, Chapter 7, On Foreign Trade
Quote, Attributed To: David Ricardo, Chapter 7, On Foreign Trade
Ricardo set out the principle in his 1817 On the Principles of Political Economy and Taxation, showing that two countries each gain from trade by specializing in the good each produces at the lowest opportunity cost, even when one country is more efficient at producing everything.
On the Principles of Political Economy and Taxation
Associated With School: Classical Economics, Chapter 7
Quote, Associated With School: Classical Economics, Chapter 7
Ricardo set out comparative advantage as a foundation of classical trade theory in 1817.
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