World trade is governed by the rules of the World Trade Organization (WTO), the successor to the General Agreement on Tariffs and Trade (GATT). The WTO sets rules of conduct for the international trade of goods and services and for intellectual property rights, provides a forum for multinational...

Economists have traditionally studied aggregate behavior as the outcome of individual decisions made interactively, while sociologists have focused on the role of social influences on individual behavior. Over the past decade, however, the barriers between the disciplines have broken down,...