marginal value

基本解释

Butwhat is the marginal value curve?
那么什么是边际价值曲线呢？
Their marginal values can't be analyzed, because it makes no sense to have a marginal value with equality constraints.
它们的边界值不能进行分析，因为使用一个具有等式约束的边界值没有任何意义。
Many, but not all, goods have this feature of diminishing marginal value – the value of the last unit consumed declinesas the number consumed rises.
对许多人来说，商品都有边际价值递减的性质——随着消费数量的增加，最后一个被消费的商品单位价值减少。

Marginal value, however, is a tricky concept to bring into environmental analysis.
ECONOMIST: An invaluable environment
For economists, the average value of a good or service is usually less important than the marginal value—the cost or benefit of one more unit.
ECONOMIST: An invaluable environment
Complications can arise from hospital stays, medications, procedures, and tests, and when these things are of marginal value the harm can be greater than the benefits.
NEWYORKER: The Cost Conundrum