“marginal rate of substitution”的概念、定义、翻译、参考文献-科学参考

marginal rate of substitution

Economics

The additional amount of one good required to compensate a consumer for a small decrease in the quantity of another, per unit of the decrease. The marginal rate of substitution at a particular level of consumption is given by the negative of the gradient of the indifference curve. This is the ratio of the marginal utilities for the two goods, so for a differentiable utility function the marginal rate of substitution between goods x and y is

$M R S_{x, y} = \frac{\partial U}{\partial x} / \frac{\partial U}{\partial y} .$

单词	marginal rate of substitution
释义	marginal rate of substitution Economics The additional amount of one good required to compensate a consumer for a small decrease in the quantity of another, per unit of the decrease. The marginal rate of substitution at a particular level of consumption is given by the negative of the gradient of the indifference curve. This is the ratio of the marginal utilities for the two goods, so for a differentiable utility function the marginal rate of substitution between goods x and y is $M R S_{x, y} = \frac{\partial U}{\partial x} / \frac{\partial U}{\partial y} .$
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