Document Type

Article

Publication Date

2017

Keywords

Investment Treaty Arbitration, International Economic Law, Investor-State Arbitration, ISDS, Investor-state Dispute Settlement, Empirical Legal Studies, Dispute Systems Design, International Courts and Tribunals, Cognitive Illusions, Biases and Heuristics

Disciplines

Courts | Dispute Resolution and Arbitration | International Law | Law and Economics | Law and Psychology

Abstract

Arbitrators are lead actors in global dispute resolution. They are to global dispute resolution what judges are to domestic dispute resolution. Despite its global significance, arbitral decision making is a black box. This Article is the first to use original experimental research to explore how international arbitrators decide cases. We find that arbitrators often make intuitive and impressionistic decisions, rather than fully deliberative decisions. We also find evidence that casts doubt on the conventional wisdom that arbitrators render “split the baby” decisions. Although direct comparisons are difficult, we find that arbitrators generally perform at least as well as, but never demonstrably worse than, national judges analyzed in earlier research. There may be reasons to prefer judges to international arbitrators, but the quality of judgment and decision making, at least as measured in these experimental studies, is not one of them. Thus, normative debates about global dispute resolution should focus on using structural safeguards and legal protections to enhance quality decision-making, regardless of decision maker identity or title.

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