近年来的大量经济研究成果显示,制度的质量对于经济发展和增长十分重要。一般地说,经济学家们审视了以人均国内生产总值来衡量的经济发展水平,发现全世界各地区人均收入上的差异——从非洲撒哈拉沙漠以南地区的每年仅100美元到某些发达国家的40000美元以上——与制度质量上的差异密切相关。国际货币基金 In recent years, a large number of economic studies have shown that the quality of the system is very important to economic growth and growth. In general, economists looked at the level of economic development measured by per capita GDP and found that per capita income varies across regions of the world - from only about $ 100 a year in sub-Saharan Africa to some More than 40,000 U.S. dollars in developed countries - are closely related to the quality of the system. International Monetary Fund