Xavier Sala-i-Martin
Xavier Sala-i-Martin is the J. and M. Grossman
Professor of Economics at Columbia University in New York and the Chief
Economic Advisor of the Center for Global Competitiveness and Performance at
the World Economic Forum in Davos Switzerland. He is also an associate researcher
at the National Bureau of Economic Research and a member of the Counseling
Board of Telefonica in Catalunya.
Xavier Sala-i-Martin