Areas of Interest:

• Labor Economics
• Economic Development

Education:

• Ph.D., Economics, London School of Economics, 1973
• M.A., Economics, University of Essex, 1971

Experience:

• Professor of Economics, London School of Economics (title of Norman Sosnow Professor of Economics conferred 2006), 1986-present
• Reader in Economics, London School of Economics, 1982-1986
• Lecturer in Economics, London School of Economics, 1976-1982

Latest Publications:

• The Impact of TFP on Steady-State Unemployment (with Giovanna Vallanti) International Economic Review, 48 (May 2007) 607-640
• Structural Change in a Multi-Sector Model of Growth (with L. Rachel Ngai), American Economic Review, 97 (March 2007) 429-443
• Unemployment and Hours of Work: The North Atlantic Divide Revisited International Economic Review, 48 (February 2007) 1-36