Labor disputes at major ports are starting to become an issue for global supply chains again. Dockworkers at Maersk’s terminal in Los Angeles have protested against port automation plans, while the Swedish Dockworkers Union has gone on strike at 15 ports. Strikes can have a long-term impact on a port’s operations and competitive position. For example, disruptions at the port of Gothenburg which started in July 2017 are likely a major reason why container handling through the port in 2018 was 5.6% lower than 2016 and 8.2% below 2015. They’ve also likely driven Grimaldi’s Atlantic Containe...