现代投资组合决策模型与风险偏好何永明陈文斌决策理论研究人们对待决策事物的评判并建立起相应的模型。决策模型可用于描述性、规范性和指示性分析，可将它们划分为三类：描述性决策模型———用于描述我们是如何决策的；规范性决策模型———建议人们应该如何进行决策；... Modern Portfolio Decision Model and Risk Preference HE Yong-ming, CHEN Wen-bin Decision-making theory studies the people’s judgment of the decision-making things and establishes the corresponding model. Decision models can be used for descriptive, normative and indicative analysis and can be divided into three categories: descriptive decision models --- to describe how we make decisions; normative decision models --- how people should be advised decision making;...