Data
Time period and data sources
For the industry analysis, ONS does not publish real intermediate input data and so we used the EU KLEMS November 2009 release, which gives data up to 2007. For intan- gibles, our industry level data is available 1992–2007 as this is when Input–Output (IO) tables are consistently available from. Data for the whole market sector is available going back to 1980 up to 2008 (the most recent year National Accounts are available). Thus we work with two data sets: (1) market sector, 1980–2008, consistent with National Accounts 2008, and (2) industry level 1992–2007 (the data turn out to be very close over the over- lapping years). Online Appendix Table A1 documents our data sources in detail with a comparison between our sources and the ONS. Online Appendix Table A2 compares the growth-accounting results when using KLEMS and ONS data respectively.