市场的失效，需要政府对经济进行必要的干预，以弥补市场的缺陷和不足，提高社会资源的配置效率。政府对经济进行干预的方式有两种，一种是间接干预，如通过货币增减或财政支出增减来改变总需求关系和市场参数，进而影响经济运行；另一种是直接干预，如各种行政性限制和鼓励、 Market failure requires the government to make the necessary intervention in the economy so as to make up for the shortcomings and deficiencies in the market and to improve the allocation efficiency of social resources. There are two ways in which the government intervenes in the economy. One is indirect intervention. For example, the aggregate demand and market parameters can be changed by increasing or decreasing of the currency or the increase or decrease of the fiscal expenditure, thus affecting the economic operation. The other is direct intervention, Administrative restrictions and encouragement,