The results show that two primary factors affecting efficiency of wells are the well-drilling technology and inverted filter mode but not the chemical siltation 试验结果分析表明,影响石角堤段减压井减压效果的主要因素是成井工艺和反滤方式而不是化学淤堵。
When putting structure of corporate governance into game analysis of earning managements, we found that the structure of corporate governance is a key institution factor affecting efficiency of earning managements . out-of-balance structure restrains the formation of efficient earning managements, and stimulates the generation of opportunistic earning managements . structure of corporate governance in balance can restrain opportunistic earning managements, and stimulates efficient earning managements in order to arrive to pareto efficiency equilibrium, governances of earning managements should be oriented as corporate governance, and include 把公司治理结构引入盈余管理的博弈分析,我们发现:公司治理结构是影响盈余管理效率的关键制度因素;失衡性治理结构抑制效率型盈余管理形成,刺激机会主义盈余管理产生;制衡性治理结构能够有效地约束机会主义盈余管理,激励效率型盈余管理达到帕累托最优均衡;盈余管理治理应以公司治理为导向,具体包括激励效率型盈余管理和约束机会主义盈余管理两个方面。