A 4-day working week is too costly and complicated for businesses to introduce, according to IBEC.
17 Irish businesses are to embrace a shorter work week as part of a six-month trial commencing next year.
Four Day Week Ireland told the Oireachtas Business Committee that reduced hours can improve an employee's work-life balance without negatively impacting business productivity.
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Maeve McElwee from IBEC is concerned that it wouldn't work for certain sectors: