That graph shows productivity and compensation growing together, then diverging right in the 1970s. This would be expected if we suddenly got a large supply of

That graph shows productivity and compensation growing together, then diverging right in the 1970s. This would be expected if we suddenly got a large supply of labor. You can see exactly that on this other graph: https://en.wikipedia.org/wiki/File:Chart_of_foreign_born_in_the_US_labor_force_1900_to_2007.png https://en.wikipedia.org/wiki/File:Chart_of_foreign_born_in_...