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Heterogeneous individuals’behavioral biases model and numerical simulation

本站小编 哈尔滨工业大学/2019-10-23

Heterogeneous individuals’behavioral biases model and numerical simulation

ZHANG Da-yong1,2, LIANG Guo-wei1

1.School of New Medium & Art,Harbin Institute of Technology,Harbin 150001,China;2.School of Management,Harbin Institute of Technology,Harbin 150001,China



Abstract:

A model of the relationships between individual cognitive biases and individual decision-making based on the analysis of cognitive biases of bonded rationality individual,has been established in this paper by introducing a set of new variables called overconfidence coefficient and attribution bias coefficient to the sentiment model. The irrational expectation and irrational risk aversion as two inseparable aspects of bonded rationality are expressed in an unified model,and a method of measuring individual cognitive biases is proposed,which overcomes the shortcomings of traditional normative models that can not describe the differences of behaviors among heterogeneous individuals. As a result,numerical simulations show that individual cognitive risk is a positive interaction with overconfidence coefficient,and a negative interaction with attribution bias coefficient.

Key words:  heterogeneous  behavioral biases  perceived risk  numerical simulation

DOI:10.11916/j.issn.1005-9113.2010.04.007

Clc Number:C934

Fund:


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