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Loss Sharing between Non-Negligent Parties

32 Pages Posted: 31 May 2011 Last revised: 13 Sep 2011

Giuseppe Dari‐Mattiacci

Amsterdam Law School; Amsterdam Business School; Tinbergen Institute

Bruno Lovat

University of Lorraine - Universite Nancy 2

Francesco Parisi

University of Minnesota - Law School; University of Bologna

Date Written: May 26, 2011


In this paper, we study the effects and desirability of legal rules that allow the sharing of an accident loss between a non-negligent injurer and his non-negligent victim. In order to identify the virtues and limits of loss-sharing rules, we begin by considering the effect of a loss-sharing regime on parties' incentives. We address an unresolved issue in the literature, exploring whether loss-sharing in equilibrium undermines the parties' primary care incentives. We establish the conditions under which loss-sharing may be desirable and characterize the regime providing the best overall incentives to minimize the social cost of accidents. Our results indicate that loss-sharing may indeed be desirable in a vast range of situations. The results are later extended to consider the effect of parties' uncertainty in a loss-sharing regime and reveal that loss-sharing may at the same time be desirable and unnecessary in real-life accident law.

Keywords: tort, loss-sharing, negligence, strict liability, comparative fault

JEL Classification: K13, K32

Suggested Citation

Dari‐Mattiacci, Giuseppe and Lovat, Bruno and Parisi, Francesco, Loss Sharing between Non-Negligent Parties (May 26, 2011). Amsterdam Law School Research Paper No. 2011-07; Minnesota Legal Studies Research Paper No. 11-24. Available at SSRN: or

Amsterdam Business School ( email )

Roetersstraat 18
Amsterdam, 1018WB

Tinbergen Institute

Gustav Mahlerplein 117
Amsterdam, 1082 MS

Bruno Lovat

University of Lorraine - Universite Nancy 2 ( email )


Francesco Parisi

University of Minnesota - Law School ( email )

229 19th Avenue South
Minneapolis, MN 55455
United States

University of Bologna ( email )

Piazza Scaravilli 1
40126 Bologna, fc 47100

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