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Why do I keep going in circles? On the impossibility of constructing rational preferences

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Abstract

In standard models of rational choice it is typically taken for granted that preferences are given and defined over the alternatives alone, and the possibility of making a rational choice is simply a matter of assumption. In this paper I generalise this aspect of the economic model so that preferences over alternatives are constructed from given preferences defined over various characteristics of the alternatives under consideration. I characterise the decision problem before investigating what conditions a procedure for aggregating preferences over attributes into preferences over alternatives must satisfy in order for the latter to be rational. I then consider what the implications of these conditions for the procedural rationality of the aggregation process.

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  • Brendan Markey-Towler, 2014. "Why do I keep going in circles? On the impossibility of constructing rational preferences," Discussion Papers Series 507, School of Economics, University of Queensland, Australia.
  • Handle: RePEc:qld:uq2004:507
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    File URL: https://economics.uq.edu.au/files/45920/507.pdf
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