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Uncertainty of Law and the Legal Process

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  • Giuseppe Dari-Mattiacci
  • Bruno Deffains
Abstract
There is extensive literature on whether courts or legislators produce efficient rules, but which of them produces rules efficiently? Is there an optimal mix of litigation and legislation? The law is inevitably subject to a certain degree of uncertainty ex ante; uncertainty makes the outcomes of trials difficult to predict and, hence, prevents parties from settling disputes out of court. Conversely, the law is necessarily certain ex post: litigation fosters the creation of precedents that reduce uncertainty. We postulate that there is a natural balance between the degree of uncertainty of a legal system (kept under control by litigation) and its litigation rate (sustained by uncertainty). We describe such equilibrium rates of litigation and uncertainty in a formal model, study how they are affected by two different policies -litigation fees/subsidies and legislation - and compare the costs and benefits of the legislative and the judicial process of lawmaking. We then extend the analysis to explore the implications of this approach.

Suggested Citation

  • Giuseppe Dari-Mattiacci & Bruno Deffains, 2006. "Uncertainty of Law and the Legal Process," Working Papers of BETA 2006-11, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
    • Handle: RePEc:ulp:sbbeta:2006-11
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    2. Giorgio Rampa & Margherita Saraceno, 2014. "Beliefs and Precedent: The Dynamics of Access to Justice," DEM Working Papers Series 084, University of Pavia, Department of Economics and Management.
    3. Giorgio Rampa & Margherita Saraceno, 2018. "Accuracy and Costs of Dispute Resolution with Heterogeneous Consumers. A Conjectural Approach to Mass Litigation," DEM Working Papers Series 155, University of Pavia, Department of Economics and Management.
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    8. Dari-Mattiacci, Giuseppe & Deffains, Bruno & Lovat, Bruno, 2011. "The dynamics of the legal system," Journal of Economic Behavior & Organization, Elsevier, vol. 79(1-2), pages 95-107, June.
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    10. Giorgio Rampa & Margherita Saraceno, 2023. "Conjectures and underpricing in repeated mass disputes with heterogeneous plaintiffs," Journal of Economics, Springer, vol. 139(1), pages 1-32, June.
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    More about this item

    Keywords

    incompleteness of law; complexity of law; litigation; judge-made law; legislation.;
    All these keywords.

    JEL classification:

    • K10 - Law and Economics - - Basic Areas of Law - - - General (Constitutional Law)
    • K40 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - General
    • K41 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Litigation Process

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