He is the Fred Bergsten Senior Fellow at the Peterson Institute of International Economics, and Robert Solow Professor of Economics Emeritus at MIT. He spent most of his career at MIT, but moved to Washington in 2008 to be the IMF’s Chief Economist (Economic Advisor and Director of the Research Department), a post he retired from in 2015. His main research interests regard macroeconomics, including different issues ranging from the role of economic policy, the nature of speculative bubbles and the labour market, to factors causing unemployment, transitions in former communist countries, and the global financial crisis. He currently deals with matters relating to fiscal policy. He is the author of many books and articles. He has also been Head of MIT’s economics department, a fellow and past board member of the Econometric Society, a member of the American Academy of Sciences, and a Past President of the American Economic Association.