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Correlation Misperception in Choice

delete2017-04-01
delete24
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OA
AI
A
Andrew W. Ellis
M
Michele Piccione *
DOI:10.1257/aer.20160093delete
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Abstract

Abstract

En 中文
We present a decision-theoretic analysis of an agent's understanding of the interdependencies in her choices. We provide the foundations for a simple and flexible model that allows the misperception of correlated risks. We introduce a framework in which the decision maker chooses a portfolio of assets among which she may misperceive the joint returns, and present simple axioms equivalent to a representation in which she attaches a probability to each possible joint distribution over returns and then maximizes subjective expected utility using her (possibly misspecified) beliefs.
Keywords:
CORRELATION NEGLECT
EQUILIBRIUM
UTILITY
REPRESENTATION
PREFERENCES
INFORMATION
OPINIONS
BEHAVIOR
RISK
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Journal

American Economic Review cover
American Economic Review
IF:
11.6
Papers:
5.0K
Citations:
7.5W

Organization

U
university of london
Scholars:
21.5W
Papers: 19.7W
Citations: 305