什麼邊際用值
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2009-01-22 5:55 pm
✔ 最佳答案
Marginal value is a term widely used in economics, to refer to the change in economic value associated with a unit change in output, consumption or some other economic choice variable. More information in http://en.wikipedia.org/wiki/Marginal_rate
More information on Marginal Value, Marginal Utility, and Consumer Surplus in
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