Governments have been examining the potential role of joint government interpretations of investment treaties at OECD-hosted intergovernmental investment roundtables. Now well-established in the model BITs and treaty practice of the NAFTA governments, express provisions for such joint...

Many governments have expressed concerns about the uncertainty linked to the perceived inconsistency of treaty interpretation in Investor-State dispute settlement (ISDS). An OECD-hosted intergovernmental investment roundtable has been considering a range of tools through which governments can...

There is vigorous debate about reforms to address the balance between investor protection and the right to regulate in the over 3000 existing investment treaties. This paper first notes the growing trend to analyse particular treaty rules rather than treaties as a whole and the importance of...

The fair and equitable treatment (FET) provision has leapt to prominence in the last 15 years as the principal ground of liability at issue in many if not most investment treaty arbitration claims. In debates about the impact of investment treaties on the right to regulate, FET is second only to...