经济总是在失衡与均衡之间运动，经济政策制定者总是全力以赴地对付经济失衡。为了有效地控制经济失衡，必须掌握经济失衡的期限，经济失衡的影响以及所采取的政策手段的时滞效应。这是制定政策所遇到的主要难点。一、税收调控对滞的内涵税收作为国家宏观调控体系中的一个重要 The economy is always moving between imbalances and equilibria, and economic policymakers always go all out to deal with economic imbalances. In order to effectively control economic imbalances, it is necessary to grasp the deadlines of economic imbalances, the impact of economic imbalances and the lag effect of the policy instruments adopted. This is the main difficulty in formulating policies. First, the tax regulation on the meaning of the tax revenue as a national macro-control system is an important one