1978年改革开放以来,我国经济连续三十多年高速增长,年均增长率9.8%。但自2010年后经济增长速度趋缓,GDP增长率2014年为7.4%,2015年仅为6.9%。对于我国经济增长速度放缓的原因,学术界多运用传统框架从需求、供给、技术和要素禀赋等经济系统本身因素分析,无法在更本质的层面考察经济增速变化的深层原因。福利经济学认为福利最大化是人类行为的目标。诺 Since the reform and opening up in 1978, China’s economy has enjoyed rapid growth for more than 30 years at an average annual growth rate of 9.8%. However, its economic growth has slowed down since 2010, with its GDP growth rate of 7.4% in 2014 and only 6.9% in 2015. For the reasons for the slowdown of the economic growth in our country, the academic circles often use the traditional framework to analyze the underlying causes of the economic growth change from the analysis of the economic system itself, such as demand, supply, technology and factor endowments. Welfare economics believes that the maximization of welfare is the goal of human behavior. promise