Article Photos: 2 Americans win Nobel econ prize for match-making 1/7

  From left, Per Krusell, Staffan Normark, Peter Gardenfors and Tore Ellingsen of the Swedish Royal Academy of Sciences present the winners of the Nobel Memorial Prize in Economic Sciences, in Stockholm, Sweden, Oct. 15, 2012. Americans Alvin E. Roth of Harvard University and Lloyd S. Shapley of University of California were cited for "the theory of stable allocations and the practice of market design." (AP Photo/Scanpix Sweden, Henrik Montgomery) SWEDEN OUT