But labor mobility and income differentials reflect the structure of the economy. It seems to me that knowledge economies are inherently more unequal than manufacturing economies.[1] And tariffs and industrial policy shape the structure of the economy.

[1] To use a domestic example, compare Iowa and California. California has higher GDP per capita, but Iowa (which isn’t a manufacturing economy but rather an advanced agricultural one) is a flatter and less hierarchical society. People in Iowa can afford houses and afford to start families. Who is really better off?