The advent of the World Trade Organization (WTO) in 1995 transformed international economic law for states, enterprises, and nongovernmental organizations. This book analyzes how the WTO is changing the path of international trade law and examines the implications of these trends for the world economy and the global environment. Containing 18 essays published from 1999 to 2011, the book illuminates several of the most complex issues in contemporary trade policy. Among the topics covered are: Is there a normative theory of the WTO's purpose? Can constitutional theory provide guidance to keep the WTO's levers in balance? Should the WTO use trade sanctions for enforcement? What can the WTO do to enhance sustainable development and job creation?