A study examines how public disclosure of tax information impacts gender wage gaps, using Norway’s 2001 policy change that made individual tax returns searchable online. Analyzing matched employer–employee data with a difference-in-differences approach, researchers found within-firm gender wage gaps decreased by 2.2 percentage points (8.7 percent), driven by rising female wages. Effects were most pronounced in private-sector firms, industries with initially larger gaps, and municipalities lacking easy access to printed tax lists. Wage gains concentrated among job-changing women, suggesting transparency primarily influences wage setting through improved job market information. The findings, published as Discussion Paper no. 1033, highlight the role of pay transparency in addressing gender disparities.
Source: Statistics Norway (Statistisk sentralbyrå).
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Licence: Creative Commons Attribution 4.0 International (CC BY‑4.0).
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https://www.ssb.no/en/arbeid-og-lonn/lonn-og-arbeidskraftkostnader/artikler/does-tax-transparency-influence-wage-setting
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