By Jessica Frank-Keyes Half of workers say they would be “tempted” to move jobs for the offer of a four-day working week, a survey has found. Researchers at recruitment firm Hays surveyed almost 12,000 companies and professionals and found a slight uptick in the popularity of the four-day week. It comes after the UK trial of the four-day week found more than half – 51 per cent – of the firms that took part have made the policy permanent, while 89 per cent are still operating it. While the French president Emmanuel Macron recently had to postpone a key summit on the future of flexible work beca…