二、生产要素最适组合的等产量分析 (二)资源边际替代率 Marginal rate of factor substitution (MRS) The rate at which one factor can be substituted b another while holding the level of output constant MRS=∠F1/∠4F2二、生产要素最适组合的等产量分析 （二）资源边际替代率 Marginal rate of factor substitution (MRS) The rate at which one factor can be substituted by another while holding the level of output constant: MRS = ⊿F1 /⊿F2