The key quote: “It’s going to be catastrophic,” Shepherdson said bluntly. “This is an economy built on discretionary consumption.” He was referring to all the

The key quote: “It’s going to be catastrophic,” Shepherdson said bluntly. “This is an economy built on discretionary consumption.” He was referring to all the nonessential purchases that people make in their daily lives, things ranging from new clothes and appliances to personal services such as spa sessions, meals in restaurants, and Uber rides. According to Shepherdson, all this nonessential stuff amounts to about forty per cent of the U.S.’s gross domestic product. In other words, it is enormous, in terms of both its dollar contribution to the economy and the number of people it employs.