Economist, educated at Cambridge and Harvard Universities. From 1969 to 1977, he taught at Cambridge, where he was a Fellow of King's College and a lecturer in the Faculty of Economics. From 1977 to 1985, he was a senior economist at the World Bank in Washington DC, working on China, Turkey and the 1980 World Development Report. From 1985 to 2000, he was a Professorial Fellow of the Institute of Development Studies at the University of Sussex, and from 2000 to 2005 was Chief Economist of the UK's Department for International Development. Over the past two decades, his research has been concerned mainly with interactions between the global economy and national human resources, including the influence on inequalities in both North and South of international mobility of highly-skilled workers and the consequences of the wide variation among Southern countries in both human and natural resource endowments. One currently active project is to improve the theoretical basis of the non-standard type of Heckscher-Ohlin model used in his earlier papers. Another is the impact of China on production and employment in other developing countries, on which he is working with Joerg Mayer of UNCTAD. Five recent years in DFID also aroused his interest in the political economy of aid.
