社会边际成本——每增加一单位的资源使得社会收益增大的生产成本。总体包括个人边际成本加外部边际成本。
Social marginal cost — the cost of producing an additional unit of the resource that is borne by society at large. Generally includes private marginal costs plus external marginal costs.
人力资本对经济增长的促进作用归因于其边际收益递增的正外部性。
The Function of Human capital to economic growth is attributed to its marginal income increasing by degrees.
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