Trade Theory -- Non-Drastic Technology Transfer in an International Oligopoly -- Comment -- Income Redistribution, Trade Prices, and International Capital in Simulated Trade Models -- Comment -- On Two Elementary Propositions on Customs Unions -- Comment -- Trade with Labor Market Distortions and Heterogeneous Labor: Why Trade Can Hurt -- Comment -- The Impact of Intra-Industry Trade on the Environment -- Comment -- International Business Cycle Transmission in a Dynamic Multi-Sectoral Heckscher-Ohlin Model -- Comment -- Trade Policy -- Political Support or Contributions: An Empirical Investigation of US Trade Policy -- Comment -- Minimum Quality Standard and International Rivalry in Quality and Price -- Comment -- Reforms of Quantitative Import Restrictions and Fair Wage Unemployment -- Comment -- WTO -- Trade Games: Modelling WTO's Role in Trade Disputes -- Comment -- Modelling the Impact of China's WTO Membership on Its Investment and Growth: A New Flexible Keynesian Approach -- Appendix: Performance of the 2SHI Estimator Under the Generalised Pitman Nearness Criterion -- Comment -- WTO Dispute Settlement in Action: An Economic Analysis of Four EU-US Mini Trade Wars -- Comment.World trade is not only an economic but also a social, political, environmental, labor and legal matter. Economists and government planners aim at finding the efficient trade policy which enhances economic welfare and growth in a more harmonious and sustainable way. This book contains 12 articles from internationally renowned experts in the field of world trade. The contributions cover a variety of pressing topics related to trade theory, trade policy, WTO and their relationship. They provide in-depth analysis of some of the trade issues currently discussed by academics and politicians, such as resource allocation, income distribution, employment, growth, technology transfer, heterogeneous markets, intra-industry trade as well as environmental issues.