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Optimal Liability when Consumers Mispredict Product Usage

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  • Andrzej Baniak
  • Peter Grajzl

Abstract

We contrast alternative liability rules for social control of product risks when heterogeneous consumers considering purchasing a durable good due to cognitive errors and biases mispredict future product benefits and, thus, the extent of future product usage. Since the expected consumer harm directly depends on the level of product usage, the consequences of consumers' mispredictions vary with the prevailing liability regime. We first characterize the consumers' purchasing decision and the equilibrium levels of safety and activity from the product's usage under no liability, strict liability, and negligence rule. We then compare the three legal regimes from the social welfare standpoint. We show that social welfare is highest under no liability when consumers substantially underestimate future product benefits; under strict liability when consumers substantially overestimate future product benefits; and under negligence whenever consumers' misprediction is moderate or nonexistent.

Suggested Citation

  • Andrzej Baniak & Peter Grajzl, 2017. "Optimal Liability when Consumers Mispredict Product Usage," American Law and Economics Review, American Law and Economics Association, vol. 19(1), pages 202-243.
  • Handle: RePEc:oup:amlawe:v:19:y:2017:i:1:p:202-243.
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    File URL: http://hdl.handle.net/10.1093/aler/ahw017
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    Cited by:

    1. Tim Friehe & Christoph Rößler & Xiaoge Dong, 2020. "Liability for Third-Party Harm When Harm-Inflicting Consumers Are Present Biased," American Law and Economics Review, American Law and Economics Association, vol. 22(1), pages 75-104.
    2. Tsvetanov, Tsvetan & Miceli, Thomas J. & Segerson, Kathleen, 2021. "Products liability with temptation bias," Journal of Economic Behavior & Organization, Elsevier, vol. 186(C), pages 76-93.
    3. Gérard Mondello, 2022. "Strict liability, scarce generic input and duopoly competition," European Journal of Law and Economics, Springer, vol. 54(3), pages 369-404, December.
    4. Eric Langlais & Andreea Cosnita-Langlais & Tim Friehe, 2024. "Product Liability Influences Incentives for Horizontal Mergers," EconomiX Working Papers 2024-10, University of Paris Nanterre, EconomiX.
    5. De Chiara, Alessandro & Elizalde, Idoia & Manna, Ester & Segura-Moreiras, Adrian, 2021. "Car accidents in the age of robots," International Review of Law and Economics, Elsevier, vol. 68(C).
    6. Baumann, Florian & Rasch, Alexander, 2020. "Product liability and reasonable product use," ZEW Discussion Papers 20-071, ZEW - Leibniz Centre for European Economic Research.
    7. Marie Obidzinski & Yves Oytana, 2022. "Advisory algorithms and liability rules," Working Papers hal-04222291, HAL.
    8. Marie Obidzinski & Yves Oytana, 2022. "Prediction, human decision and liability rules, CRED Working paper No 2022-06," Working Papers hal-04034871, HAL.

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    More about this item

    JEL classification:

    • K13 - Law and Economics - - Basic Areas of Law - - - Tort Law and Product Liability; Forensic Economics
    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis

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