On the basis of this supposition, the research scope of the contemporary economics has been widened and great success has been achieved while the traditional economics seems to have fallen into a dilemma as it overlooks this supposition.

• 当代经济学正是在经济人假定的基础上大大拓宽了经济学的研究范围 ,取得了重大成果 ,而传统社会经济学也因为忽视了经济人的假定而陷入了困境