Group Polarization in a Model of Information Aggregation
نویسندگان
چکیده
منابع مشابه
Group Polarization in a Model of Information Aggregation
Group Polarization refers to the tendency of groups to make more extreme decisions than individuals. In decision problems under incomplete information, individuals make decisions based on their private information while groups gather the information of their members. As a result, groups are typically better informed than individuals. This paper sees group polarization as an outcome of the diffe...
متن کاملInformation Aggregation and Group Decisions∗
Individuals with identical preferences each receive a signal about the unknown state of the world and separately decide upon a utilitymaximizing recommendation on the basis of that signal. The group’s decision maximizes the common utility function based on perfect pooling of individual information. With no restrictions on the information structure, the individual recommendations place no constr...
متن کاملfaculty of psychology and social sciences group of anthropology master thesis in major of anthropology
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Information Aggregation of Group Decision-Making in Emergency Events
Information is a key factor in emergency management, which helps decision makers to make effective decisions. In this paper, aiming at clarifying the information aggregation laws, and according to the characteristic of emergency information, information relative entropy is applied in the information aggregation to establish the information aggregation model of emergency group decision-making. T...
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ژورنال
عنوان ژورنال: American Economic Journal: Microeconomics
سال: 2015
ISSN: 1945-7669,1945-7685
DOI: 10.1257/mic.20140252