Why the economic value of a face mask is $56.14 | The Economist

After a brutal first six months of the year, governments across the world are hoping for an economic bounce-back. Rich-world gdp fell by about 10% in the first half of 2020. Yet much has changed since—including that more people are now wearing masks. Economists, obsessed with translating everything into gdp, wonder if more widespread face-covering could help the recovery.