A Model of Consumer Choice With Bounded Rationality and Reference Quantity

A Model of Consumer Choice With Bounded Rationality and Reference Quantity

Gian Italo Bischi, Fabio Tramontana
Copyright: © 2022 |Pages: 8
DOI: 10.4018/IJABE.312248
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Abstract

The authors consider the economic problem of consumers' demand under the assumption of bounded rationality. They move from the hypothesis that the consumer does not know the amount of the good maximizing the utility but he/she is able to understand, at each time period, if the current consumption is above or below than the optimal choice and decide consequently for the next period. Moreover, they also take into consideration the role of a reference amount of consumption that can influence the consumption choice of the consumer. They show that this assumption led to a failure in the convergence process towards the rational choice because the equilibrium of the model, even when locally stable, is located on an intermediate value between the rational choice and the reference quantity.
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The Original Model

D'Orlando and Rodano (2006) consider a consumer endowed with a Cobb-Douglas utility function:

IJABE.312248.m01
(1) where IJABE.312248.m02 and IJABE.312248.m03 are two goods, and IJABE.312248.m04 measures the preference of the consumer for good IJABE.312248.m05.

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