Policy ForumMigration

Migration of ideas: China and U.S.

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Science  19 May 2017:
Vol. 356, Issue 6339, pp. 696-697
DOI: 10.1126/science.aan5197

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vol. 356 no. 6339 696-697

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    1. Richard Freeman9,5
    1. 5National Bureau of Economic Research, Cambridge, MA 02138, USA.
    2. 9Harvard University, Cambridge, MA 02138, USA.

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