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Keywords:

  • E24;
  • J31;
  • J42;
  • R12

Abstract

We assess the impact of the national minimum wage (NMW) on employment and inequality in the UK over the decade since its introduction. We evaluate its effects in each year, using an incremental differences-in-differences (IDiD) estimator. Identification is based on variation in the bite of the NMW across local labour markets and the different sized year on year up-ratings. We find that an increased bite of the NMW is associated with falls in lower tail wage inequality. While the average employment effect over the entire period is broadly neutral, there are small but significant positive NMW effects from 2003 onwards.