In 2009, the United States imposed additional tariffs for a three-year period on imports of automotive tires from China under a special-safeguard provision included in China’s Protocol of Accession to the WTO. China challenged the measure in the WTO. The case marked the first WTO dispute in...

This paper explores the implications of Unified Growth Theory for the origins of existing differences in income per capita across countries. The theory sheds light on three fundamental layers of comparative development. It identifies the factors that have governed the pace of the transition from...