Numerical simulation exercises to analyze the impacts of potential changes in non-tariff policies commonly use ad valorem equivalent tariff treatment even though estimated impacts using explicit model representation and ad valorem equivalent treatments will differ. The difficulty for modellers...

About the Contributors; About the Editors; Acknowledgments; Introduction; 1. Background; 2. The Global Perspective; 3. Country and Regional Perspectives; 4. Issues and Negotiating Approaches; 5. The Future; Chapter 1. Global Cooperation and Understanding to Accelerate Climate Action; 1....