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Decoding the gender pay gap: how a Bletchley Park codebreaker helped explain a strange paradox

The gender pay gap is +8.6 per cent for full-time employees but -4.4 per cent for part-timers. So one might expect the average for all workers to be somewhere between those figures, but actually it is higher than either, at +17.9 per cent. What’s the reason for that? And how is this puzzle linked with the work of one of the Bletchley Park codebreakers? Jonathan Athow explains.

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