The British mathematician and physicist Lord Kelvin famously said “If you cannot measure it, you cannot improve it.” In 1948, the post-war British Government badly needed to improve the nation’s economy. To help it draw up the right policies for jobs and growth, the Government took a scientific approach - one of which Lord Kelvin would have been proud. Government statisticians were instructed to count, classify and measure the economic activity of every business in the country. They developed a set of Standard Industrial Classification codes and the data they collected was used to shape policy in every aspect of the British economy.
This week, a new report by the National Institute for Economic and Social Research , and supported by Google, updates these SIC codes to include the new, fast growing digital sector. After 65 years, the old codes are out of date. One in ten companies in the UK are now classified vaguely as ‘other’. One in five have no classification at all.
This new report is based on pioneering big data techniques. It draws not just from official tables and accounts but instead is gleaned from more than five billion data points, providing us with a level of detail and insight that statisticians in 1948 could scarcely have imagined.
The scale of the UK’s digital economy that emerges from this research is immense. In June 2013, the Government estimated from SIC codes that there were 120,000 businesses in the digital economy. The most conservative estimate from this new report of the number of digital companies is more than double government estimates - 269,695. In addition, the report found that digital companies employ 15% more, grow 25% faster than non-digital companies.
The digital economy has spread into every part of the United Kingdom, not just in London and the South East but throughout the country, with particularly great intensity in places like Manchester, Middlesbrough and Aberdeen. It has spread into every sector, from architecture firms whose activities have become almost entirely digital to machine tool manufacturers who now use huge online data-processing facilities, such as Hadoop, to monitor every aspect of their processes.
This is a groundbreaking work. For the first time in 65 years - it presents us with a new way of measuring the economy that can only help us to take the right steps to support growth and jobs.
Posted by Hal Varian, Chief Economist
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