The 2010 Nobel Economics co-laureates Peter A. Diamond, left, and Dale T. Mortensen, right, show their signatures under a chair at the Nobel Museum in Stockholm, Sweden Monday Dec. 6 2010. It is one ... more 
The 2010 Nobel Economics co-laureates Peter A. Diamond, left, and Dale T. Mortensen, right, show their signatures under a chair at the Nobel Museum in Stockholm, Sweden Monday Dec. 6 2010. It is one of the traditions during the week leading up to the Nobel Prize ceremony that will take place in Stockholm on Friday. Diamond, of MIT, Cambridge, MA, USA, and Mortensen of Northwestern University, Evanston, IL, USA, and Aarhus University, Aarhus, Denmark, are both U.S. citizens. (AP photo/Scanpix Sweden/Janerik Henriksson) ** SWEDEN OUT ** less 
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Associated Press
Mon, Dec 6, 2010 10:36 AM EST