Serial cost pricing was compared with average cost pricing in terms of meeting the atoms of upper bound, lower bound, free lunch and control of demand.

比较了序列成本定价机制和平均成本定价机制满足上限性、下限性、免费午餐、需求可控性等公理的情况。

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Compared with the average cost pricing in the condition of equilibrium, the two-part tariff results in a Pareto improvement and an increase of welfare when meeting some certain conditions.

与以收支平衡为条件的平均成本价相比，二部定价实现了帕累托改进，提高了社会福利。但是二部定价对社会福利的增加也应该满足一定的条件。

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Generally, price below the average avoidable cost would constitute predatory pricing.

一般价格低于企业的平均可避免成本，即可判定构成掠夺性定价。

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