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Afriat in the Lab

Author

Listed:
  • Jan Heufer

    (Erasmus University Rotterdam, The Netherlands)

  • Paul van Bruggen

    (Erasmus University Rotterdam, The Netherlands)

Abstract

Varian (1988) showed that the utility maximization hypothesis cannot be falsified when only a subset of goods is observed. We show that this result does not hold under the assumptions that unobserved prices and expenditures remain constant. These assumptions are naturally satisfied in laboratory settings where the world outside the lab remains unchanged during the experiment. Hence for so-called induced budget experiments the Generalized Axiom of Revealed Preference is a necessary and sufficient condition for utility maximization in general, not just in the lab. Lab experiments are therefore a valid tool to put the utility maximization hypothesis to the test.

Suggested Citation

  • Jan Heufer & Paul van Bruggen, 2016. "Afriat in the Lab," Tinbergen Institute Discussion Papers 16-095/I, Tinbergen Institute.
    • Handle: RePEc:tin:wpaper:20160095
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    References listed on IDEAS

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    Cited by:

    1. Andreas C Drichoutis & Rodolfo M Nayga, 2020. "Economic Rationality under Cognitive Load," The Economic Journal, Royal Economic Society, vol. 130(632), pages 2382-2409.
    2. Sabrina Bruyneel & Laurens Cherchye & Sam Cosaert & Bram De Rock & Siegfried Dewitte, 2020. "Verbal Aptitude Hurts Children’s Economic Decision Making Accuracy," Working Papers ECARES 2020-22, ULB -- Universite Libre de Bruxelles.
    3. Matej Opatrny, 2018. "Extent of Irrationality of the Consumer: Combining the Critical Cost Eciency and Houtman Maks Indices," Working Papers IES 2018/11, Charles University Prague, Faculty of Social Sciences, Institute of Economic Studies, revised Apr 2018.
    4. Demuynck, Thomas & Hjertstrand, Per, 2019. "Samuelson's Approach to Revealed Preference Theory: Some Recent Advances," Working Paper Series 1274, Research Institute of Industrial Economics.
    5. Jan (J.P.M.) Heufer & Jason Shachat & Yan Xu, 2018. "Measuring tastes for equity and aggregate wealth behind the veil of ignorance," Tinbergen Institute Discussion Papers 18-087/I, Tinbergen Institute.

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    More about this item

    Keywords

    Afriat's Theorem; Experimental Economics; GARP; Revealed Preference; Utility Maximization;
    All these keywords.

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis

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