投入无序是制约国有企业效益增长的直接原因根据有关专家对全国１００家国有大中型工业企业进行了长达５年多的跟踪性调查研究，得出结论：投入无序是制约国有企业经济效益增长的直接原因；而产权关系模糊、政企不分以及不完善的市场体系则是导致投入无序的深层次原因，其... Input disorder is the direct cause of restricting the growth of state-owned enterprises. According to the relevant experts’ investigation of 100 state-owned large and medium-sized industrial enterprises for more than 5 years, they concluded that unregulated input is a constraint on the economic efficiency of state-owned enterprises. The direct cause of the growth, and the ambiguity of property rights, the separation of government and enterprises, and the imperfect market system are the deep-seated reasons that lead to the disorder of investment.