20世纪70年代以来,经济学帝国主义兴起并不断扩张,经济学中的一些概念、规律自然也要被借用,如边际效用递减规律。多视角、全方位分析问题有助于认清问题的本质,提供新的思路,但拓展不能滥用,必须准确把握和应用边际效用递减规律。规律指向的对象需要拓展,规律成立有严格的条件限制,并且规律表明的是最终的趋势。

Since 1970s,a movement called economic imperialism has sprung up and expanded.Some concepts and laws,such as the law of diminishing marginal utility,have heen borrowed.Viewing from diferent aspects would help to identify the nature of the problem,and offer new ideas.The foundation of the law has strict conditions,and it shows the final trend.