Berc Rustem, Kumaraswamy Velupillai
Rationality in economic theory is, almost without exception, defined in terms of choice functions and underlying preference relations. The nature of the computability of choice functions and their (algorithmic) complexity predicated upon Church's thesis seem never to have been investigated. An attempt is made, in this paper, to study these aspects and to demystify the excessive demands upon predictability in rational economic behavior.
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