经济学家向来认为人的行为受理性支配,如今他们正在抛弃传统的看法,转而注意到人的非理性方面,认识到人是相当复杂的动物。绎济学家曾把人们的思维过程描绘成逻辑严密、目标明确、不受情绪波动的影响和非理性的干扰。某些人类的行为虽然符合经济学家所钟爱的理性模式,但对多数人而言,行为无常、动辄出错则是屡见不鲜的事实。经济学家终于开始正视这一事实,一股变革之风正将人文精神吹人构造经济理论的象牙之塔。经济学家,尤其是年轻有为的经济学家开始借鉴心理学家乃至生物学家 Economists have always held that human behavior is admissible. Now they are abandoning the traditional view and turning their attention to the irrational aspect of human beings and recognizing that man is a rather complicated animal. Economists have described people’s thinking process as a logical, clear-cut goal, free from the influence of emotional fluctuations and irrational interference. While certain human actions are in line with the rational models economists love, it is not uncommon for most people to behave erratically and make mistakes at any time. Economists have finally begun to address this fact. A wave of change is pushing the humanistic spirit to the Ivory Tower that is building economic theory. Economists, especially young and promising economists, began drawing lessons from psychologists and even biologists