Revealed Preferences, Choices, and Psychological Indexes
This paper develops a model of choice that embeds some psychological aspects affecting decision maker's behaviour. In the model, the decision maker attaches an unobservable psychological index -representing, e.g., the level of perceived availability or the level of salience- to each alternative in a universal collection. Choice behaviour of the decision maker is then conditioned by the indexes attached to the alternatives. With this paper we show that, if the conditional choice behaviour satisfies two intuitively appealing properties -namely Monotonicity and Conditional IIA- then the observable part of the choice behaviour, i.e., the unconditional choices, can be interpreted as the product of the maximization of a preference relation. The paper discusses also some welfare consideration regarding the choice model and finally some interpretations of the indexes are provided.
|Date of creation:||Apr 2009|
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- Douglas Bernheim & Antonio Rangel, 2007.
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07-031, Stanford Institute for Economic Policy Research.
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- Green, Jerry & Hojman, Daniel, 2007. "Choice, Rationality and Welfare Measurement," Working Paper Series rwp07-054, Harvard University, John F. Kennedy School of Government.
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- Bettman, James R & Luce, Mary Frances & Payne, John W, 1998. " Constructive Consumer Choice Processes," Journal of Consumer Research, Oxford University Press, vol. 25(3), pages 187-217, December.
- Luigi Mittone & Lucia Savadori & Rino Rumiati, 2005. "Does scarcity matter in children's behavior? A developmental perspective of the basic scarcity bias," CEEL Working Papers 0501, Cognitive and Experimental Economics Laboratory, Department of Economics, University of Trento, Italia.
- H. Leibenstein, 1950. "Bandwagon, Snob, and Veblen Effects in the Theory of Consumers' Demand," The Quarterly Journal of Economics, Oxford University Press, vol. 64(2), pages 183-207.
- Anonymous, 2008. "Sam Spade and Self-Interest," Journal of Political Economy, University of Chicago Press, vol. 116(2), pages 1-1, April.
- Bauer Daniel & Börger Matthias & Ruß Jochen & Zwiesler Hans-Joachim, 2008. "The Volatility of Mortality," Asia-Pacific Journal of Risk and Insurance, De Gruyter, vol. 3(1), pages 1-29, September.
- Anonymous, 2008. "Abstracts of Ph.D. Theses," Agricultural Economics Research Review, Agricultural Economics Research Association (India), vol. 21(2), December.
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