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Over-confidence and low-cost heuristics: An experimental investigation of choice behavior

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  • Cicognani, Simona
  • Mittone, Luigi

Abstract

This paper extends choice theory by allowing for the interaction between cognitive costs and imitative dynamics. The authors experimentally investigate the role of imitation when participants face a task which is costly in cognitive terms. In order to disentangle different choice dynamics, they devise a laboratory experiment with a novel experimental task in which they model the choice of different alternatives through high or low cognitive costs and feedback information provided to subjects. Their results provide evidence for imitative behavior driven by under-confidence about own skills and by the beliefs regarding others' performance. They also find a temporal pattern in the distribution of choices, both in the high-cost and low-cost cognitive conditions, that may represent another cognitive shortcut.

Suggested Citation

  • Cicognani, Simona & Mittone, Luigi, 2014. "Over-confidence and low-cost heuristics: An experimental investigation of choice behavior," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 8, pages 1-31.
    • Handle: RePEc:zbw:ifweej:201436
    DOI: 10.5018/economics-ejournal.ja.2014-36
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    Cited by:

    1. S. Cicognani & P. Figini & M. Magnani, 2016. "Social Influence Bias in Online Ratings: A Field Experiment," Working Papers wp1060, Dipartimento Scienze Economiche, Universita' di Bologna.

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    More about this item

    Keywords

    Belief; cognitive costs; decision making; laboratory experiments;
    All these keywords.

    JEL classification:

    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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