一系列的行为实验表明,受试者除了关注自身的物质收益之外,还重视公平和互惠,这体现了行为者的社会性和道德性。同时,这种互惠和公平并非是平面性的而是立体性的,不是等序性的而是差序性的,这体现了人类行为的道德差序性和社会差序性。显然,这些实验结果与主流博弈理论的逻辑推论间存在很大差异。%A series of behavioral experiments reveal that, subjects not only care about their own material payoff, but also pay much attention to fairness and reciprocity; which embodies subjects＇ sociality and morality. Meanwhile, the understanding about fairness and reciprocity is not un-dimensional but tridimensional, not the same order but differencial order; which exhib- its the moral differencial order and social differencial order embodied in human behavior. Obviously, the outcome of experi- ments is different from the logic inference according to the mainstream game theory.
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