Reference : The Margin of Appreciation in Investor-State Arbitration. The Prevalence and Desirabi...
Parts of books : Contribution to collective works
Law, criminology & political science : European & international law
http://hdl.handle.net/10993/19747
The Margin of Appreciation in Investor-State Arbitration. The Prevalence and Desirability of Discretion and Deference
English
Fahner, Johannes Hendrik mailto [University of Luxembourg > Faculty of Law, Economics and Finance (FDEF) > Law Research Unit >]
2014
Hague Yearbook of International Law. Vol. 26 (2013)
Lavranos, Nikos
Kok, Ruth
Brill
Yes
[en] This article investigates how arbitral tribunals in the field of international investment law have employed the margin of appreciation and whether its adoption is desirable in investor-state arbitration. In order to specify the analysis, the article proposes a new understanding of the margin, defining it as a measure of either discretion or deference, which is accorded by a reviewing institution to a respondent state and which translates into a non-intrusive standard of review. On the basis of this definition, the article concludes that tribunals have taken conflicting approaches concerning the margin, ranging from its explicit adoption to its explicit rejection. On the normative question, the article concludes that states are entitled to a measure of discretion under common investment treaty standards, while the notion of deference does not concord with the importance of independent arbitral review for the effective protection of foreign investments. Since the concept of the margin embodies both notions of discretion and deference, its adoption in investor-state arbitration is inappropriate.
http://hdl.handle.net/10993/19747

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