A Revised Model of Unilateral Accidents

26 Pages Posted: 13 Sep 2006

See all articles by Jacob Nussim

Jacob Nussim

Bar-Ilan University - Faculty of Law

Avraham D. Tabbach

Tel Aviv University

Multiple version iconThere are 2 versions of this paper

Date Written: September 10, 2006

Abstract

This paper suggests and justifies a revised formulation of the unilateral accident model, based on relaxing two assumptions of the standard model: the precaution function and the harm function. The revised model is, therefore, more general and corresponds better to various situations. A resulting trait of the generalized model is its account for the interaction between the injurer's care and activity levels that was implicitly assumed away so far. The revised model is examined using a few issues and gives new results and intuitions in the unilateral accident case. For example, the view that under a negligence regime due care can be defined regardless of the optimal level of activity holds under very restrictive assumptions. In general due care must be defined simultaneously with the optimal activity level. In addition, the common view suggests that underestimation of the level of actual damages under strict liability would induce injurers to take insufficient care and to engage excessively in a risky activity (and vice versa, for overestimation). This paper shows that underestimation of actual damages may counter-intuitively lead to insufficient activity or excessive care levels. Similarly, the results of underestimating harm under a negligence regime prove to be different than commonly thought. In addition, the revised model questions the intuitive similarity between underestimation of harm and the judgment-proof problem, and provides some new results for the latter problem.

Keywords: due care, activity, strict liablity, negligence, judgment-proof, mistakes

JEL Classification: K13, K32, J28

Suggested Citation

Nussim, Jacob and Tabbach, Avraham D., A Revised Model of Unilateral Accidents (September 10, 2006). Bar Ilan Univ. Pub Law Working Paper No. 06-3. Available at SSRN: https://ssrn.com/abstract=887101 or http://dx.doi.org/10.2139/ssrn.887101

Jacob Nussim (Contact Author)

Bar-Ilan University - Faculty of Law ( email )

Faculty of Law
Ramat Gan, 52900
Israel
972-3-531-7088 (Phone)
972-3-535-1856 (Fax)

Avraham D. Tabbach

Tel Aviv University ( email )

Ramat Aviv
Tel Aviv 69978, IL
Israel

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