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Political economy
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A branch of the social sciences that studies the relationships between markets and the state.
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New political economy
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A resurrection of earlier approaches to economics, combining them with the tools of modern economic analysis.
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Economics
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The study of the theory and practice of the production, distribution, and consumption of goods and services.
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Markets
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The arenas within which goods and services are bought and sold, with prices determined mainly by supply and demand.
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Microeconomics
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The study of small-scale or individual economic decisions, and the interactions of individual economic actors.
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Macroeconomics
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The study of entire economic systems and their complex internal dynamics.
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Economic system
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The interactions and institutions through which a society chooses to manage production, distribution, and consumption, involving different degrees of interaction between governments and markets.
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Capitalism
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An economic principle based on leaving as many decisions as possible on production, distribution, and prices to the free market.
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Night-watchman state
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One which performs limited functions, such as maintaining law and order, providing national defence, enforcing contracts, and dealing with emergencies.
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Externalities
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The consequences of economic activity experienced by unrelated third parties.
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Neoliberalism
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An economic philosophy representing a revival of classical liberalism that has been adopted by conservatives in many democracies since the 1980s.
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Communism
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An ideological position which suggests that a class war will lead to power and property being held in common, with the state withering away.
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State socialism
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The political system found in ‘communist’ states, involving wholesale centralization of political and economic control.
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Command economy
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An economic system in which all decisions about production, supply, and costs are made by government planners.
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Welfare economics
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The branch of economics that focuses on the effect of the allocation of goods and services on overall social welfare.
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