Abstract：The main purpose of economic research is to improve national and social welfare. It contains not only material welfare, but also social benefits. Also, the welfare connotation changed at different times in history. Those changes lead to the evolution of economics. In fact, although modern mainstream economics still concentrate the subject of study on placement of scarce resources, the focus of research in economics will not be the issue of wealth distribution. The subject of economic study has experienced three significant changes. The first one, holding by Classical Economics is the focus on material welfare creation. The second one, highly emphasized by Neoclassical Economics, is the notion that includes distribution of resources and money exchange. The last one, promoted by modern mainstream economics after the 1970s, broadens the research content greatly due to referring to extensive social utility.
朱富强. 从物质到社会：经济学研究对象的三阶段演变及其内在逻辑[J]. 浙江工商大学学报, 2016, (1): 79-88.
ZHU Fuqiang. From Material to Society:The Three-stage Evolution of Economics Subject and Its Inherent Logic. Journal of Zhejing Gongshang University, 2016, (1): 79-88.
2016, Vol. 
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