Policy Consultant to World Bank and UNDP on the urban environment, and Chairman of the Royal Society of Arts UK Migration Commission. Nigel Harris is an economist and specialist in Urban and Economic Development and the Economics of Migration. He is Emeritus Professor of the Economics of the City at University College London. Formerly Research Fellow at the Indian Statistical Institute, Calcutta; Deputy Director at the Centre for Urban Studies, UCL; Research Fellow at Queen Elizabeth House, Oxford and Director of the DPU 1982-89.