Investment Chapters in Future European Preferential Trade and Investment Agreements : Two Universes or an Integrated Model? / From Mutual Supportive ness to Mutual Enforcement? The Contribution of US Preferential Trade and Investment Agreements to the Effectiveness of Environmental Norms / Preferential Trade and Investment Agreements and the Trade/Investment Divide : Is the Whole More than the Sum of Its Parts? / Preferential Trade and Investment Agreements (PTIAs) and the Bilateralism/Multilateralism Divide / The Role of Preferential Trade and Investment Agreements in International Investment Law : From Unforeseen Historical Developments to an Uncertain Future / Technique and Contents of International Investment Treaties : Can the Form Affect the Substance? / Bilateral Free Trade and Investment Agreements : 'Stumbling Blocks' or 'Building Blocks' of Multilateralism? / The Internal Consistency of PTIAs : Overlapping Trade and Investment Obligations and Dispute Resolution Mechanisms / The Proliferation of Preferential Trade Agreements : The Beginning of the End of the Multilateral Trading System? / An International Law Approach to Interactions between Preferential Trade and Investment Agreements and the BIT World / Preferential Trade and Investment Agreements and Regionalism / Preferential Trade and Investment Agreements and Regionalism : A Stepping Stone Towards a Multilateral Set of Investment Rules or Another Type of Noodles in the Spaghetti Bowl? / Co-existence, Complementarity or Conflict? Interaction between Preferential Trade and Investment Agreements and Bilateral Investment Treaties / Investment Rules in Chinese PTIAs : A Partial "NAFTA-ization" / Preferential Trade and Investment Agreements : A Practitioner's Perspective RaúI Emilio Vinuesa -- Regional Investment Protection and Liberalization within the Association of Southeast Asian Nations / Preferential Trade and Investment Agreements : From Recalibration to Reintegration