When there is a diminishing marginal rate substitution, preferences are convex.

边际替代率是逐渐减少的, 偏好就会凸起.

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What is our marginal rate of technical substitution?

我们技术上的替代品的边际率是什么?

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In addition, the relationship among marginal rate of substitution, marginal utility and telescopic index is obtained.

另外, 还导出了边际替代率 、 边际效用和伸缩指标三者之间的关系.

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The marginal rate of substitution diminishes as we move down along an indifference curve.

当我们向下滑动无差异曲线时,边际替代率的减少.

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