At least 18 million European workers have been idled over the past month, according to government figures, as the new coronavirus pandemic cuts an ever-widening swath through the world’s job markets and prompts governments to spend hundreds of billions of dollars to support furloughed and laid-off workers. Recent figures from a number of European countries reveal the scale of the damage to labor markets, with almost half of French private-sector workers furloughed and a third of all Irish workers without a job. …