On a diagram, label the price charged and the deadweight loss to society relative to marginal-costpricing.
用图标明这个价格，以及相对于边际成本定价对社会的无谓损失。
2
Efficient pricing — a system of prices which supports an efficient allocation of resources. Generally efficient pricing is achieved when prices are equal to total marginalcost.
效能定价——支持资源效能分配的一个系统价格。通常效能定价是当价格等于全部微小成本时获得出的结果。
3
For the problem of high system cost brought by the marginal congestion pricing strategy in static traffic routing, a minimum congestion pricing strategy is put forward to levy the taxes.