In 1738, Daniel, trying to solve a problem in probability theory and the theory of gambling by use of the calculus, stumbled on the concept of the law of diminishing marginal utility of money.
This paper begins with the concept of marginal poverty, then, concludes the four reasons for the growth of the group by analyzing their living situation.
文章从边缘贫困群体的概念入手,通过对其现实生活状况的分析,概括出这一群体形成的四点原因。
3
A popular concept that is used both in macro economic theory, as well as in micro economic theory is that of marginal change.