Trials of four-day weeks have had both results, so there's no simple answer.In August of 2019, Microsoft Japan conducted a test where they moved 2,300 office workers to a four-day workweek for one month in an effort to improve efficiency. The report they released this November stated that there was a 39.9 percent increase overall in sales per worker, with 92 percent of the workers responding positively to the change.Another positive example comes from a San Francisco-based software company called Monograph. In 2016, it implemented a four-day workweek where employees can choose which day they want to take off. Moe Amaya, one of Monograph's cofounders, told HuffPost that so far it's been very successful and that there are "no plans to change, potentially ever."While there are numerous other