Introduction

Arbitration is by far the most frequently used method to settle investment disputes. Investor/State arbitration has largely replaced other forms of dispute settlement like diplomatic protection and arbitration between the host State and the investor's State of nationality. Therefore, this article focuses exclusively on mixed arbitration, that is, arbitration between a host State and a foreign investor. Like any form of arbitration, investment arbitration is always based on an agreement. Consent to arbitration by the host State and by the investor, is an indispensable ...