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The impact of the UK National Minimum Wage on mental health

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Publication details

JournalSSM - Population Health
DateAccepted/In press - 19 Aug 2017
DateE-pub ahead of print - 5 Oct 2017
DatePublished (current) - 1 Dec 2017
Issue numberSupplement C
Number of pages7
Pages (from-to)749-755
Early online date5/10/17
Original languageEnglish


Despite an emerging literature, there is still sparse and mixed evidence on the wider societal benefits of Minimum Wage policies, including their effects on mental health. Furthermore, causal evidence on the relationship between earnings and mental health is limited. We focus on low-wage earners, who are at higher risk of psychological distress, and exploit the quasi-experiment provided by the introduction of the UK National Minimum Wage (NMW) to identify the causal impact of wage increases on mental health. We employ difference-in-differences models and find that the introduction of the UK NMW had no effect on mental health. Our estimates do not appear to support earlier findings which indicate that minimum wages affect mental health of low-wage earners. A series of robustness checks accounting for measurement error, as well as treatment and control group composition, confirm our main results. Overall, our findings suggest that policies aimed at improving the mental health of low-wage earners should either consider the non-wage characteristics of employment or potentially larger wage increases.

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© 2017 The Authors. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy.

    Research areas

  • I00 J380 Y4 Minimum wage Mental health Policy evaluation BHPS

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