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利他行为是人类行为的一个重要方面,随着行为经济学的发展,这方面的研究受到重视。利他行为模型的研究尽管在描述上还处于简单阶段,但是已经显示出良好的前景。本文沿着斯密有关理性与情感论述的思想,结合现代行为经济学中的研究成果,应用脑神经经济学系统分析框架构造利他行为模型,它在“约束条件下最大化自身偏好”的基础上,包容了理性与情感这两种不同的行为决策模式,从“内生”的角度解释利他行为。最后,应用模型结果解释受到广泛实验研究的独裁者博弈实验结果。
Altruistic behavior is an important aspect of human behavior. With the development of behavioral economics, attention has been paid to this aspect. Studies of altruistic behavior models have shown good promise, though the description is still in its infancy. According to Adam Smith’s theory of rationality and emotion, combined with the research results in modern behavioral economics, this paper constructs an altruistic behavior model based on the Systematicanalysis Framework of Neuroeconomics, which maximizes her preference under “Constraints ” Based on this, it embraces two different behavioral decision-making modes: rationality and emotion, and explains altruistic behavior from the perspective of “endogenousness.” Finally, the model results are used to explain the experimental results of the dictator game experiment which is extensively studied.