在市场经济体制下由于存在着“市场失灵”问题,就需要由政府投资于公共设施和公共事业等公共产品领域。中国是一个发展中国家,由于历史原因,经济基础和技术水平比较落后,各地区经济发展十分不平衡,这又历史地赋予政府投资特殊的“使命”——政府除了在上述“市场失灵”的领域 Under the market economy system, due to the existence of “market failure”, it is necessary for the government to invest in public goods such as public facilities and public utilities. As a developing country, China is a developing country. Due to its historical reasons, its economic basis and technical level are lagging behind and the economic development in all regions is not balanced. This in turn has given the government a special “mission” to invest in the past. In addition to the above “market failure” field