Year-end level from unpublished BEA data on management of companies and enterprises current cost stock of research and development (a portion of Fixed Asset Table 3.1I Current-Cost Net Stock of Private Intellectual Property Products by Industry, line 62, Management of companies and enterprises. Other quarter's levels are derived from year-end level, plus the quarterly unadjusted transactions calculated as gross investment (FOF series FU735013043) less depreciation (FOF series FU736330043), plus an estimate of capital gains based on NIPA, Table 1.1.4 Price Indexes for Gross Domestic Product, line 12, Nonresidential, Intellectual property products.
Last edited on: 09/17/2013