Huang, Hui; Whalley, John; Zhang, Shunming - 2005
) existence can also be an issue. Here we use numerical simulation methods. We first consider world with service trade autarky in … removing period by period budget constraints for domestic consumers. In such a world, if nonzero tariffs apply to spatial trade … negotiations on services in the WTO General Agreement on Trade in Services (GATS) need not be welfare improving if there are also …