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“经济人”分析范式在理性概念的使用上存在明显的逻辑悖论:基于行为功利主义的定义以及由此展开的行为分析,实质上使用的是有限理性,而在理性模型的构建和宏观经济的分析上实际使用的却是完全理性。正是由于在不同场合所使用理性内涵存在如此的不一致,现代主流经济学对短期的行为评价和长期的现象预测之间就出现了断裂。而且,现代主流经济学试图用“无形的手”将两者沟通起来,却一直无法说明“无形的手”是如何运作的。相反,基于长期利益的实现程度和“为己利他”行为机理的实施程度这一视域,可以更好地区别有限理性和完全理性这两个概念,可以更好地认识现实生活中各种行为的理性程度,从而理解社会中不同程度的合作现象。
“Economic Man ” paradigm of analysis there is a clear logical paradox in the use of the concept of rationality: based on the definition of behavioral utilitarianism and the resulting analysis of behavior, in essence, the use of limited rationality, rational model construction and The actual use of macroeconomic analysis is completely rational. It is precisely because of the inconsistencies in the rational connotations used on different occasions that modern mainstream economics has broken down between short-term behavioral assessments and long-term phenomenon predictions. Moreover, modern mainstream economics attempts to communicate the two with “invisible hands,” but it has never been possible to explain how “invisible hands” work. On the contrary, based on the realization degree of long-term interests and the implementation degree of “self-serving” mechanism, the concepts of bounded rationality and complete rationality can be distinguished better, The degree of rationality of behavior, so as to understand the different levels of cooperation in society.