The post-Cold War era has seen an unprecedented move towards more legalization in international cooperation and a growth of third-party dispute settlement systems. WTO panels, the Appellate Body and investor-state dispute settlement cases have received increasing attention beyond the core trade and investment constituencies within governments. Scrutiny by business, civil society, academia, and trade and investment experts has been on the rise. This book asks whether we observe a transformation or a demise of existing institutions and mechanisms to adjudicate disputes over trade or investment. It makes a contribution to the question in which direction international economic dispute settlement is heading in times of change, uncertainty and increasing economic nationalism. In order to do so, it brings together chapters written by leading researchers and experts in law and political science to address the challenges of settling disputes in the global economy and to sketch possible scenarios ahead of us.

This book advances the idea that in order to address some of the criticisms against investor-state dispute settlement, a large majority of states have taken a 'normative' strategy, negotiating or amending investment treaties with provisions that potentially give more control and greater involvement to the contracting parties, and notably the home state. This is particularly true of agreements concluded in the past fifteen years. At the same time, there is a potential revival of the 'remnants' of diplomatic protection that are embedded in investment treaties since the beginning of the system. But why is the home state being brought back into a domain from which it was expressly excluded several decades ago? Why would a home state be interested in intervening in these conflicts? Is this 'new' role of the home state in foreign investment disputes a 'return' to diplomatic protection of its nationals, or are we witnessing something different?

This volume focuses on one of the most innovative deep integration constructs, The Pacific Alliance, which aims at expanding the frontiers of trade and investment governance in Latin America. It draws on a conference held at Externado University in Bogota, Colombia, in November 2015, bringing together leading scholars, practitioners and officers of public, regional and international organisations interested in a critical analysis of the Alliance, its distinctiveness and likely future directions. The volume features contributions from the multi-disciplinary lens of law, political science and economics. The Pacific Alliance, comprising Chile, Colombia, Mexico and Peru, aims through a participatory and consensual manner to promote the free circulation of goods, services, capital and persons among its members, and to secure deep economic integration through collaboration across a broader set of policy areas than typically obtains in more traditional preferential trade agreements. This volume is of interest to policy makers and staff of international organizations involved in trade and investment negotiations, international economic governance in general as well as faculty, researchers and graduate students of these topics and of international political economy and comparative regionalism.