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宏观调控是政府干预市场经济运行的一种方式,可以有效弥补市场中由于垄断的存在、外部性、信息不对称以及公共物品有效供给所造成的市场失灵现象,通过具体的财政、货币、产业、收入分配政策来熨平经济运行中出现的各种现实的或潜在的问题,然而宏观调控是一把双刃剑,宏观调控的主体——政府本身也存在的决策信息的非充分性以及深受各种利益集团的影响而不能及时有效的实施空观调控措施,同时宏观调控存在的时滞性也让其效果大打折扣,使用不当更会给经济带来巨大的负面影响。
Macro-control is a way for the government to intervene in the operation of the market economy and can effectively compensate for the market failure caused by the existence of monopoly, externalities, asymmetric information and the effective supply of public goods in the market. Through the specific financial, monetary, industrial, Income distribution policies to iron out all kinds of real or potential problems in economic operation. However, macroeconomic regulation and control is a double-edged sword. The main body of macroeconomic regulation and control - the inadequate decision-making information that the government itself also has, Various interest groups can not timely and effectively implement the air-conditioning control measures, while the time-lag of the macro-control also greatly reduces its effectiveness. If it is not properly used, it will have a huge negative impact on the economy.