Social marginalcost — the cost of producing an additional unit of the resource that is borne by society at large. Generally includes privatemarginal costs plus external marginal costs.
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。
2
The pollution is bad for public health so that the marginal social cost (MSC) is exceed the marginalprivatecost (MPC).