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Review of Economic Studies 2026

CompanyWage Policy in a Low-Wage Labor Market

Giulia Giupponi1; Stephen Machin2

1 Bocconi University and CEPR · 2 Department of Economics and Centre for Economic Performance, London School of Economics and CEPR

Abstract

We study how firms set wages for their employees when they can legally age-discriminate across workers. We exploit an age-specific minimum wage change in the UK, which raised the minimum applying to workers aged 25 and over, leaving unchanged the minima for younger workers. Using matched employer-employee data on a low-paying sector, we show large, positive wage spillovers on workers aged under 25, which arise within firms from company wage policy. Pay equity norms offer the most parsimonious explanation for the emergence of spillovers. The effects that we document also operate in other low-paying sectors of the UK labor market.

DOI
10.1093/restud/rdag102
Language
en
Sources
crossref

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