Does an Arbitrator’s Background Influence the Outcome of an Investor-State Arbitration?

Polanco Lazo, Rodrigo; Desilvestro, Valentino (2018). Does an Arbitrator’s Background Influence the Outcome of an Investor-State Arbitration? The Law & Practice of International Courts and Tribunals, 17(1), pp. 18-48. Brill Nijhoff 10.1163/15718034-12341366

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The goal of this article is to determine whether the background of an arbitrator could be considered as a determinant of case-outcomes in investor-state dispute settlement (ISDS). Using the existing literature on arbitrators’ bias and experience as a starting point, this study analyses several characteristics of arbitrators as part of their “background”, grouping them into two basic categories: ISDS experience (related to their previous involvement as arbitrator or member of an annulment committee in investor-state arbitration), and personal characteristics (including age, gender, language, nationality, background legal studies and professional background). Our research concludes that, with some exceptions, generally there does not seem to be a decisive influence between the arbitrator’s ISDS experience or personal characteristics in the outcome of an investor-state arbitration case.

Item Type:

Journal Article (Original Article)


02 Faculty of Law > Department of Economic Law > World Trade Institute
10 Strategic Research Centers > World Trade Institute

UniBE Contributor:

Polanco, Rodrigo Javier and Desilvestro, Valentino


300 Social sciences, sociology & anthropology > 340 Law
300 Social sciences, sociology & anthropology > 380 Commerce, communications & transportation




Brill Nijhoff




Pablo Rahul Das

Date Deposited:

10 Aug 2018 13:40

Last Modified:

20 Feb 2020 08:51

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