New survey data puts U.S. R&D expenditures at $428.2 billion in 2011, an increase of $20.5 billion over the 2010 level. The preliminary estimate of the 2012 U.S. total for R&D is $452.6 billion. After adjustment for inflation, R&D grew at a faster rate than the gross domestic product in 2011 (2.8% versus 1.8%). Preliminary data for 2012 indicate similar findings (3.8% versus 2.2%).
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