1. The fragmentation versus coherence discourse in international law and its relevance for trade regulation Thomas Cottier, Panagiotis Delimatsis and Katja Gehne; Part I. Constitutional Issues in International Trade Regulation: 2. The constitutionalisation of international trade law Klaus Armingeon, Karolina Milewicz, Simone Peter and Anne Peters; 3. Reflections on modes of decision-making in the WTO Yves Bonzon, Manfred Elsig, Marina Foltea, Thomas Messerli and Andreas Ziegler; 4. Regionalism - moving from fragmentation towards coherence Richard Baldwin and Theresa Carpenter; Part II. Reforming Specific Areas of Trade Regulation: 5. Reframing sustainable agriculture Philipp Aerni, Baris Karapinar and Christian Häberli; 6. Energy in WTO law and policy Thomas Cottier, Garba Malumfashi, Sofya Matteotti-Berkutova, Olga Nartova, Joëlle De Sépibus and Sadeq Z. Bigdeli; 7. Developing trade rules for services: a case of fragmented coherence? Panagiotis Delimatsis, Nicolas Diebold, Martín Molinuevo, Marion Panizzon and Pierre Sauvé; 8. Challenges of biotechnology in international trade regulation Susette Biber-Klemm, Michael Burkard, Thomas Cottier, Sufian Jusoh and Michelangelo Temmerman; Part III. 'Trade and …' Linkages: 9. A call for a WTO ministerial decision on trade and human rights Barnali Choudhury, Katja Gehne, Simone Heri, Franziska Humbert, Christine Kaufmann and Krista Nadakavukaren Schefer; 10. The protection and promotion of cultural diversity in a digital networked environment - mapping possible advances to coherence Mira Burri, Christoph Beat Graber and Thomas Steiner; 11. Development and stability in the nexus between trade and finance Ernst Baltensperger and Nils Herger; 12. International investment framework - the regulatory fragmentation challenge in a changing world economy Bertram Boie, Julien Chaisse and Philippe Gugler; 13. Low-income countries and commodity price volatility Hannah Bargawi, Elva Bova, Benno Ferrarini and Susan Newman.