Princeton professor Paul Krugman listens during his introduction as the 2008 Nobel prize winner in economics at a new conference in Princeton, New Jersey

 
Princeton professor Paul Krugman listens during his introduction as the 2008 Nobel prize winner in economics at a new conference in Princeton, New Jersey
Princeton economics and international affairs professor Paul Krugman listens during his introduction as the 2008 Nobel prize winner in economics at a new conference on the campus of Princeton University in Princeton, New Jersey, October 13, 2008. REUTERS/Tim Shaffer