Abstract

Most investment treaties contain two dispute resolution clauses: one permitting investor-state arbitration for investment disputes and the other permitting state-to-state arbitration for disputes concerning the treaty's interpretation and/or application. Despite this duality, the potential role of state-to-state arbitration, and its proper relationship with investor-state arbitration, have largely been ignored. However, recent cases, including Peru v. Chile, Italy v. Cuba and Ecuador v. United States, demonstrate the need to examine the potential and limits of this form of dispute ...