Branches of economics


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BRANCHES OF ECONOMICS

6. Marxist economics
Key people: Karl Marx
Emphasises unequal and unstable nature of capitalism. Seeks a radically different approach to basic economic questions. Rather than relying on free-market advocate state intervention in ownership, planning and distribution of resources.
7. Neo-liberalism/Neo-classical
A modern interpretation of classical economics. Considerable overlap with monetarism. Essentially concerned with the promotion of free-markets, competition, free trade, privatisation, lower government involvement, but some minimal state intervention in public services like health and education. Few identify as ‘neo-liberal’ – sometimes used as a term of abuse.

  • Neoliberalism | Related terms: Washington Consensus

New Branches of economics
Environmental economics/welfare economics
Key people: Garrett Hardin, E.F. Schumacher, Arthur Pigou.
This places greater emphasis on the environment. This can include:

  • Neo-classical analysis of external costs and external benefits. From this perspective, it is rational for man to reduce pollution

  • Market failures – tragedy of the commons, Public goods, external costs, external benefits.

  • Environmental economics can take a more radical approach – questioning whether economic growth is actually desirable.

Behavioural economics
Key people: Gary Becker, Amos Tversky, Daniel Kahneman, Richard Thaler, Robert J. Shiller,
Behavioural economics examines the psychology behind economic decision making and economic activity. Behavioural economics examines the limitation of the assumption individuals are perfectly rational. It includes

  • Bounded rationality – people make choices by rules of thumb

  • Irrational exuberance – People get carried away by asset bubbles.

  • Nudges/Choice architecture – how the framing of decisions affects the outcome


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