Productivity is strong in manufacturing, but it's down elsewhere in the private sector, according to Prof. Comin. He noted that productivity is particularly tricky to gauge for knowledge workers, whose contributions aren't as easy to measure.

American Economic Association produced a video "The Great Divergence" on 07/18/2018 based on Prof. Diego Comin's recent study "If Technology Has Arrived Everywhere, Why Has Income Diverged?"....