Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: Y017RW
A Guide to the National Income and Product Accounts of the United States (NIPA) - (http://www.bea.gov/national/pdf/nipaguid.pdf)
U.S. Bureau of Economic Analysis, Contributions to Percent Change in Private Fixed Investment in Intellectual Property Products: Research and development: Nonprofit institutions serving households [Y017RW2A224NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Y017RW2A224NBEA, August 21, 2018.