A Model Of Boundedly Rational Consumer Choice
AbstractThe paper presents an extended version of the standard textbook problem of consumer choice. As usual, agents have to decide about their desired quatities of various consumption goods, at the same time taking into account their limited budget. Prices for the goods are not fixed but arise from a Walrasian interaction of total demand and a stilized supply function for each of the goods. After showing that this type of model cannot be solved analytically, three different types of evolutionary algorithms are set up to answer the question whether agents behaving according to the rules of these algorithms can solve the problem of extended consumer choice. There are two important answers to this question: a) The quality of the learned results crucially depends on the elasticity of supply, which in turn can be shown to be a measure of the degree of state dependency of the economic problem. b) Statistical tests suggest that for the agents in the model it is relatively easy to adhere to the budget constraint, but that it is relatively difficult to reach an optimum with marginal utility per Dollar being equal for each good.
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Bibliographic InfoPaper provided by Society for Computational Economics in its series Computing in Economics and Finance 2000 with number 321.
Date of creation: 05 Jul 2000
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- Thomas Riechmann, 2000. "A Model of Boundedly Rational Consumer Choice," Econometric Society World Congress 2000 Contributed Papers 0715, Econometric Society.
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