Given the limited resources, producers are being motivated to allocate the resources properly to ensure highest efficiency, which is determined by the equality of price and marginal cost.

生产者考虑到资源有限等问题，纷纷开始大力合理的分配资源以确保高效率，不过此效率皆由价格杠杆及边际成本而定。

youdao

Marginal principle in which price should be set at the point where marginal benefit equals marginal cost yields efficiency in resources USES and allocations.

微观经济学的市场边际原则被证明能够有效地指导稀缺资源的有效利用和分配，使资源效率达到最佳。

youdao

Or, if you think that the marginal utility of taxpayer income and the efficiency cost of taxing are both very low, consider the opportunity cost of government spending.

FORBES: Paternalism and Welfare

All intellectual property violates the efficiency rule that price should equal marginal cost of reproduction, which for knowledge is nearly zero.

ECONOMIST: Non-central Europe