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要素替代弹性
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要素替代弹性
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substitution elasticity of factor
要素替代弹性
衡量给定产出不变时,边际替代率(Marginal Rate of Substitution)百分比变化引致的要素百分比变化。是衡量要素间替代关系强弱的核心指标。
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eruption material
eruption type
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E. Ruska
E. Rutherford
E. Rutherford, 1871—1937
ERV
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E. R. van Kampen (1908—1942)
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