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Ultimatum Bargaining with Rational Inattention

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  • Doron Ravid

Abstract

A seller bargains with a rationally inattentive buyer (Sims 2003) over a good of random quality. After observing quality, the seller makes a take-it-or-leave-it offer. The buyer pays attention to the seller's product and offer at a cost proportional to expected entropy reduction. Because attention is free off-path, multiple equilibria emerge, many of which are efficient. A trembling-hand-like refinement (Selten 1975) rules out efficiency, delivering complete disagreement when attention is expensive and a unique equilibrium with trade when attention is cheap. In this equilibrium, the buyer overpays for low-quality goods, underpays for high-quality goods, and earns a strictly positive payoff.

Suggested Citation

  • Doron Ravid, 2020. "Ultimatum Bargaining with Rational Inattention," American Economic Review, American Economic Association, vol. 110(9), pages 2948-2963, September.
    • Handle: RePEc:aea:aecrev:v:110:y:2020:i:9:p:2948-63
    DOI: 10.1257/aer.20170620
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    References listed on IDEAS

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    Cited by:

    1. Matveenko, Andrei & Mikhalishchev, Sergei, 2021. "Attentional role of quota implementation," Journal of Economic Theory, Elsevier, vol. 198(C).
    2. Federico Echenique & Anqi Li, 2022. "Rationally Inattentive Statistical Discrimination: Arrow Meets Phelps," Papers 2212.08219, arXiv.org, revised Nov 2023.
    3. Bartosz Maćkowiak & Filip Matějka & Mirko Wiederholt, 2023. "Rational Inattention: A Review," Journal of Economic Literature, American Economic Association, vol. 61(1), pages 226-273, March.
    4. Pak Hung Au & Mark Whitmeyer, 2021. "Attraction Versus Persuasion," HKUST CEP Working Papers Series 202102, HKUST Center for Economic Policy.
    5. Brian C. Albrecht & Mark Whitmeyer, 2023. "Comparison Shopping: Learning Before Buying From Duopolists," Papers 2302.06580, arXiv.org, revised Apr 2023.
    6. Tommaso Denti & Massimo Marinacci & Aldo Rustichini, 2022. "Experimental Cost of Information," American Economic Review, American Economic Association, vol. 112(9), pages 3106-3123, September.
    7. Tommaso Denti & Doron Ravid, 2023. "Robust Predictions in Games with Rational Inattention," Papers 2306.09964, arXiv.org.
    8. Ian Ball & James Bono & Justin Grana & Nicole Immorlica & Brendan Lucier & Aleksandrs Slivkins, 2022. "Content Filtering with Inattentive Information Consumers," Papers 2205.14060, arXiv.org, revised Dec 2023.
    9. Suresh P. Sethi & Sushil Gupta & Vipin K. Agrawal & Vijay K. Agrawal, 2022. "Nobel laureates’ contributions to and impacts on operations management," Production and Operations Management, Production and Operations Management Society, vol. 31(12), pages 4283-4303, December.
    10. Tommaso Denti, 2022. "Posterior Separable Cost of Information," American Economic Review, American Economic Association, vol. 112(10), pages 3215-3259, October.

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    More about this item

    JEL classification:

    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D86 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Economics of Contract Law
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality

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