That definitely seems like something that would conceivably exacerbate the inequality effects, in the USA at least. But it feels to me to be too gradual a shift

That definitely seems like something that would conceivably exacerbate the inequality effects, in the USA at least. But it feels to me to be too gradual a shift to explain the elbows in some of those curves - it's not as if Nixon reopened relations with China, and then companies instantly started outsourcing. Is it?