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Sharp fall in wage inequality

Not only have low paid workers’ earnings increased with no evidence of a substantial loss of employment, inequality in pay has fallen.
- Dr Abigail McKnight
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Wage inequality has fallen dramatically for the first time since at least the late 1990s, and most likely since the late 1970s, due to the introduction of the National Living Wage by the Conservative government in 2016, according to new LSE research.

The research, funded by the Nuffield Foundation, found that inequality in the bottom 50 per cent of earners fell by the same amount between 2015 and 2019 as it did in the 17-year period leading up to the introduction of the National Living Wage.

It also suggests potential adverse effects of employers reducing working hours to offset rising costs appear to have been avoided.

Abigail McKnight and Kerris Cooper of LSE’s Centre for Analysis of Social Exclusion (CASE) found that the lowest paid ten per cent of employees in 2019 were paid up to 63% of the average wage, whereas 20 years earlier it was 55%.

The National Living Wage was introduced four years ago by the then Chancellor of the Exchequer George Osborne, replacing the National Minimum Wage for employees aged 25 or older. The idea was that a higher minimum would reduce public expenditure on tax credits, motivated by a notion that taxpayers should not be subsidising low paying employers.

LSE researchers examined changes in the UK hourly earnings and weekly earnings distributions before and after the introduction of the National Living Wage to assess its impact on inequality.

They found that wage inequality among all employees (full-time and part-time) was unchanged around the time the National Minimum Wage was introduced in 1999, but since then inequality in the lower half of the wage distribution (the bottom 50 per cent of earners) has slowly decreased, with a dramatic fall since the introduction of the National Living Wage in 2016.

Dr McKnight, Associate Director and Associate Professorial Research Fellow at CASE, commented: “For those of us who have been advocating for a more generous minimum wage for some time, the introduction of the National Living Wage in 2016, and the commitment for it to increase to 60% of median pay this year, was welcome news. To see that since it was introduced not only have low paid workers’ earnings increased with no evidence of a substantial loss of employment, inequality in pay has fallen. This is vindication that minimum wages, set high enough, have a key role to play.”

The researchers note that although increases in minimum wages have raised the earnings of many workers and reduced earnings inequality, household income inequality remains high and in-work poverty rates have increased.

The report is available here http://sticerd.lse.ac.uk/dps/case/cb/casebrief38.pdf.

Behind the article

The findings are from a forthcoming paper by Abigail McKnight and Kerris Cooper: ‘The Conservative’s Record on Employment: Policy, Spending and Outcomes 2015-2020’.

This research is part of a larger programme of research funded by the Nuffield Foundation.

The Nuffield Foundation is an independent charitable trust with a mission to advance social well-being. It funds research that informs social policy, primarily in Education, Welfare, and Justice. It also funds student programmes that provide opportunities for young people to develop skills in quantitative and scientific methods. The Nuffield Foundation is the founder and co-funder of the Nuffield Council on Bioethics and the Ada Lovelace Institute. The Foundation has funded this project, but the views expressed are those of the authors and not necessarily the Foundation. Visit www.nuffieldfoundation.org

 Researchers used data from the Annual Survey of Hours and Earnings (ASHE) which includes a 1% random sample of PAYE records and the reporting of earnings by employers, usually from payroll systems.

In 2019 the lowest paid ten per cent of employees were paid up to £8.34 per hour and average wages were £13.21. In 1999, the lowest paid ten per cent of employees were paid up to £4.14 per hour and average wages were £7.57.

The National Minimum Wage in 1999 for employees aged 22 and over was £3.60 per hour. The National Living Wage for employees aged 25 and over is currently £8.21 and is due to increase to £8.72 in April 2020.