The ongoing reform of investor-state dispute settlement (ISDS) underlines the pertinence of an old question that has received various and conflicting answers: is investment arbitration a public or a private method of dispute settlement? A key criticism levelled at investment treaty arbitration...

In 2016 and 2017, states continued their engagement with international investment law. A small minority of states displayed scepticism or tried to disengage themselves from their investment law obligations. This chapter addresses select institutional developments in international investment law...