Supply-Chain is certainly a point, but I doubt it's the only factor - relative labour cost play an important role. Questions to ask: 1. Why did the factories m

Supply-Chain is certainly a point, but I doubt it's the only factor - relative labour cost play an important role. Questions to ask: 1. Why did the factories move in the first place. 2. Why can companies like Airbus oder German car manufacturers survive - their supply chain is distributed all over the planet, with the best paid workers in Germany.