Air transport continues to lie outside the rules of the world trading system. Yet pressures for changes in the management of trade in air transport services are emerging within the bilateral system of regulation, particularly through United States efforts to negotiate so-called “Open...

Very many goods and services are traded freely among most economies. The recent proliferation of preferential trading arrangements (PTAs) demonstrates that most economies are willing to eliminate border barriers against substantially all products from almost any other economy. At the same time,...