The past two decades have seen exciting changes with developing countries emerging as exporters of services. Technological developments now make it easier to trade services across borders. But other avenues are being exploited: tourists visit not just to sightsee but also to be treated and...

The outlines of a potential agreement, emerging after seven years of negotiations, imply that Doha offers three key potential benefits: reduced uncertainty of market access in goods and services; improved market access in agriculture and manufacturing; and the mobilization of resources to deal...