A new study published in Nature’s Humanities and Social Sciences Communications journal has confirmed what many workers have quietly hoped for: companies can switch to a four-day work week and not only survive, but thrive.
The research tracked 15 Australian companies that trialled the 100:80:100 model between 2022 and 2024.
The model is simple: workers receive 100% of their pay, work 80% of their previous hours, and commit to maintaining 100% of their previous output.
The results were striking.
14 of the 15 companies chose to continue with the four-day week after the trial ended.
Not a single one reported a drop in productivity.
Six companies saw productivity actually increase.
The rest said output stayed roughly the same.
These firms operated across a wide range of industries, from property management to publishing and health technology, which makes the findings harder to dismiss as a niche experiment.
How the Study Was Conducted
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