In the context of R&D statistics includes:• Non-market, private non-profit institutions serving households (i.e. the general public).• Private individuals or households.
OECD (2002), Frascati Manual: Proposed Standard Practice for Surveys on Research and Experimental Development, §194.
To break down R&D expenditure by sector of performance and source of funds. Also to break down R&D personnel by sector of employment.