Jisho

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Noun
1. efficiencySee also 効率
Wikipedia definition
2. Economic efficiencyIn economics, the term economic efficiency refers to the use of resources so as to maximize the production of goods and services. An economic system is said to be more efficient than another (in relative terms) if it can provide more goods and services for society without using more resources. In absolute terms, a situation can be called economically efficient if: No one can be made better off without making someone else worse off (commonly referred to as Pareto efficiency).
Read “Economic efficiency” on English Wikipedia
Read “効率性” on Japanese Wikipedia
Read “Economic efficiency” on DBpedia

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