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The missing variable in the economic analysis of technological change
Sanchez, Juana, (1991)
Non-technological and Mixed Modes of Innovation in the United States. Evidence from the Business Research and Development and Innovation Survey, 2008-2011
Sanchez, Juana, (2014)
"Non-technological and Mixed Modes of Innovation in the United States. Evidence from the Business Research and Development and Innovation Survey, 2008-2011"