The Herfindahl‐Hirschman Index and the Distribution of Social Surplus*
证明在多种寡头垄断模型中，赫芬达尔-赫希曼指数（HHI）等于生产者剩余与消费者剩余之比，从而反映剩余在企业所有者和消费者之间的分配。
I show that in a broad range of oligopoly models, the Herfindahl‐Hirschman index (HHI) reflects the ratio of producer surplus to consumer surplus and therefore the division of surplus between firms’ owners and consumers.