西方经济学 different between decreasing returns to scale and dimi
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西方经济学 different between decreasing returns to scale and diminishing marginal returns的不同
规模报酬递增(decreasing returns to scale )与边际收益递减(diminishing marginal returns)的区别:
规模报酬递增指各种投入要素都增加一倍时,总产出增加超过了一倍.即所谓的规模效应.
边际收益递减.是指在不断投入某要素的过程中,每单位的投入所换来的产出(即边际产出)越来越少.diminishing marginal returns是西方经济学中一个最基本的假设,很多结论都必须以它为前提.比如举个生活中的例子:给土地施肥.刚开始时施一点肥就会有明显的效果,可是随着肥料越来越多,你施肥的效果也越来越小.最后甚至会有负的作用.这就是最典型的边际递减.
规模报酬递增指各种投入要素都增加一倍时,总产出增加超过了一倍.即所谓的规模效应.
边际收益递减.是指在不断投入某要素的过程中,每单位的投入所换来的产出(即边际产出)越来越少.diminishing marginal returns是西方经济学中一个最基本的假设,很多结论都必须以它为前提.比如举个生活中的例子:给土地施肥.刚开始时施一点肥就会有明显的效果,可是随着肥料越来越多,你施肥的效果也越来越小.最后甚至会有负的作用.这就是最典型的边际递减.
西方经济学 different between decreasing returns to scale and dimi
规模报酬不变 constant returns to scale
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