为何垄断者的边际收益低于其产品价格？
Why is a monopolist 's marginal revenue less than the price of its good ?
目前大部分企业都是利用传统的成本方法做决策，通过边际收益来决策产品的生产优先顺序。
At present , most companies make decisions by the traditional cost method , and make the production priority of products through margin .
边际收益产品边际收益产品边际收益产品