Regional trade agreements (RTAs) are increasingly portrayed as a threat to the free global exchange of goods and services. They involve an ever-growing share of world trade. The proportion of world trade covered by such accords is expected to grow from 43% today to 55% in 2005, if all regional...

I explore whether the world trading system of the twentieth century can be adapted to address the challenges of the twenty-first. I first develop an understanding of how GATT functioned during the twentieth century, and which features of the economic environment were most important in...