'A federal face mask mandate would not only cut the daily growth rate of new confirmed cases of Covid-19, but could also save the U.S. economy from taking a 5% GDP hit in lieu of additional lockdowns, according to Goldman Sachs.' https://www.cnbc.com/2020/06/30/goldman-sachs-says-a-national-mask-mandate-could-slash-infections-and-save-economy-from-a-5percent-hit.html