【主讲】Ehud Lehrer 教授 (Tel Aviv University)
【主题】Subjective Independence and Concave Expected Utility
【时间】2013年9月20日 (周五) 15：30-17：00
【地点】上海财经大学经济学院楼801室
【语言】英文
【摘要】We take a different approach to independence and present the subjective code composable independence axiom that determines when the decision maker exhibits ambiguity neutrality. This axiom is shared by a large class of decision making models, referred to as event-separable, based on a non-additive probability and on a general integration scheme. The new approach allows us to: (a) introduce the Concave Expected Utility model of decision making, adhering to ambiguity aversion where uncertainty is captured through a non-additive belief; and (b) provide sufficient conditions, weaker than those employed by previous formulations hinging on the independence axiom, to subjective and Choquet expected utility models.
