Plain language summary: Investment tribunals’ work has provoked public concern, often relating to how international investment law intrudes into States’ domestic regulatory space. How far should investment law discipline States’ regulatory and administrative activity? Many consider it...

The idea of investment treaty arbitration as public law is in tension with the concept of international law as a law between representative public agencies. This concept of international law is valuable for its capacity to progress a broad range of public policy aims in an integrated and...