INDUSTRIAL policy via Twitter is a new development in economics but we may all have to get used to it over the next four (or eight) years. Donald Trump’s tweets on the car industry (and his planned cuts to corporate income tax) may or may not have persuaded Ford to keep a plant in Michigan, creating 700 jobs. But the problem with such headline-grabbing is that there are thousands of companies in the US, and jobs are being created or destroyed every day; intervening in all these situations is impossible. Even in cars, for example, GM has recently announced 3,300 lay-offs, almost five times greater than the Ford additions.  

History suggests that the aim of creating large numbers of manufacturing jobs will be a lost cause. In 1979, the high point for US manufacturing jobs was reached at 19.5m. The subsequent recession of the early 1980s caused that number to fall but there were regularly 17m-18m jobs in the 1980s and 1990s. From the turn of the millennium, however, the total fell pretty remorselessly, with the 2008-09 recession proving the coup de grace. The low was just under 11.5m in early…Continue reading