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A behavioural model of choice in the presence of decision conflict

Date
05/2013
Author
Gerasimou, Georgios
Keywords
Choice with incomplete preferences
attraction effect
status quo bias
games with payoff vectors
iterative dominance
HB Economic Theory
Metadata
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Abstract
This paper proposes a model of choice that does not assume completeness of the decision maker’s preferences. The model explains in a natural way, and within a unified framework choice when preference-incomparable options are present, four behavioural phenomena: the attraction effect, choice deferral, the strengthening of the attraction e.ect when deferral is permissible, and status quo bias. The key element in the proposed decision rule is that an individual chooses an alternative from a menu if it is worse than no other alternative in that menu and is also better than at least one. Utility-maximising behaviour is included as a special case when preferences are complete. The relevance of the partial dominance idea underlying the proposed choice procedure is illustrated with an intuitive generalisation of weakly dominated strategies and their iterated deletion in games with vector payoffs.
Citation
Gerasimou , G 2013 ' A behavioural model of choice in the presence of decision conflict ' School of Economics & Finance Discussion Paper , no. 1302 , University of St Andrews .
ISSN
0962-4031
Type
Working or discussion paper
Rights
(c) 2013 the author
Collections
  • Economics & Finance Research
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/4532
http://ideas.repec.org/p/san/wpecon/1302.html

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