Pareto efficiency

Pareto efficiency

A situation in which nobody can be made better off without making somebody else worse off. Named after Vilfredo Pareto (1843–1923), an Italian economist. If an economy's resources are being used inefficiently, it ought to be possible to make somebody better off without anybody else becoming worse off. In reality, change often produces losers as well as winners. Pareto efficiency does not help judge whether this sort of change is economically good or bad.

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Part of Speech: noun
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Industry/Domain: Economy
Category: Economics
Company: The Economist
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