A comprehensive overview of current research in the field of trade, payments and debt. Grossman and Helpman provide a non-technical review of the literature on technological deteminants of trade. Thisse and Fujita discuss current work on the spatial configuration of economic activities. Robert Findlay tracks world trade from 1000 to 1750, while Robert Baldwin surveys the impact of international trading alliances. In his Presidential paper, the World Bank Vice-President Michael Bruno looks at the pattern of debt crises and economic recovery. The sustainability of external debt in Africa is examined by Daniel Cohen. Alberto Giovannini's argues the case for flexible exchange rates.