Because of concern that OECD tariff reductions will translate into worsening export performance for the least developed countries, trade preferences have proven a stumbling block to developing country support for multilateral liberalization. We examine the actual scope for preference erosion,...

This paper first briefly describes the role of the WTO and its history. It then lays out a simple bargaining model of international negotiations, which can be used for understanding the Doha round of talks. This simple framework is used to distil and discuss a number of potential explanations...

Little progress has been made since the creation of the WTO in expanding and deepening the coverage of services liberalization commitments. This paper identifies and discusses five hypotheses that may explain the absence of dynamism: (i) technological changes allow ever more services to be...

The effects on national welfare and on market access of two public procurement practices, discrimination and non-transparency, are examined. Both policies have become prominent in international trade negotiations, such as the ongoing Doha Round of WTO trade talks. Our analysis shows that...