中国钢铁产业在近几年的发展过程中一直存在着逆集中化现象。产生逆集中化现象的原因是多方面的,其中一个重要原因是中国钢铁产业的进退出壁垒机制不完善,即进入壁垒过低,而退出壁垒过高。从产业良性发展的角度讲,在现阶段中国钢铁市场尚没有形成以竞 The Chinese steel industry has always had the phenomenon of deconcentration in the development of the past few years. There are many reasons for the adverse centralization. One of the important reasons is the imperfect mechanism of China’s steel industry, that is, the entry barrier is too low and the exit barrier is too high. From the perspective of the healthy development of the industry, China’s steel market has not yet formed a competition at this stage