In short run equilibrium, the firms in perfect competition will be both productive efficiency (lowest total average cost) and allocative efficiency. Firms who has perfect monopoly power will neither be productive effeciency nor allocative efficiency, known as x-effeciency.

那垄断厂商在短期是否也有三种情况 1)超额利润 2)正常利润 3)亏损

他们的短期均衡公公是均衡的产量不同吗