暴利成因试探李永宁暴利是相对合理利润而言的。合理利润的形成主要是依据成本与收益的对比，即按追加的成本等于增加的收益为原则而确定的。在完全竞争的市场结构下，由于追加的成本（边际成本）等于增加的收益（包括边际收益和平均收益），因而只存在正常利润，西方经济... The causes of profiteering test Li Yongning profits are relatively reasonable profits. The formation of reasonable profit is mainly based on the comparison of cost and return, that is to say, the additional cost is equal to the principle of increased income. Under a completely competitive market structure, since the additional cost (marginal cost) is equal to the increased revenue (including marginal revenue and average income), there is only normal profit, Western economy...