International investment law is undergoing a time of reflection, review and revision. Increasing dissatisfaction with the functioning of the current system that governs the protection of international investment and the wish to ensure that investment is channelled towards sustainable development...

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...

Decisions by arbitral tribunals in investment treaty cases do not have formal precedential status. Yet certain issues recur, and prior decisions at the least provide guidance to later tribunals. The content of the most frequently invoked substantive treaty provisions - the obligations to accord...

Over the years, the substantive content of international investment agreements (IIAs) has shifted to reflect political change and to respond to lessons learnt in investor-state dispute settlement (ISDS). With a focus on eight IIAs, selected with a view to geographical representativeness, this...