Abstract
A main topic in welfare economics is the rational behaviour of a consumer when, faced with various prices and incomes, he has to make a choice. The theory of consumption establishes the framework in which the rationality of consumers is defined and the principle on which it is based. By [109], “the rationality of a consumer may be described by postulating that a consumer has a definite preference over all conceivable commodity bundles and that he chooses those commodity bundles that are optimal with respect to his preference subject to budgetary constraints”.
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Georgescu, I. (2007). Introduction. In: Fuzzy Choice Functions. Studies in Fuzziness and Soft Computing, vol 214. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68998-0_1
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DOI: https://doi.org/10.1007/978-3-540-68998-0_1
Publisher Name: Springer, Berlin, Heidelberg
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