Many people re-discovered their enthusiasm for local production during the disruptive, bewildering early days of the pandemic. The result is ’localisation’, an emerging global trend that could revitalise local factories. If we respond quickly and wisely, there are three obvious benefits: economic resilience, more balanced trade, and greater fixed investment.

All over the world, in April and May 2020, essential goods were unavailable or delayed. The next ste...