General Discussion
In reply to the discussion: Of Course Americans are BROKE [View all]pat_k
(12,256 posts)Here's a graph with a longer timeline where you can see the divergence taking off right around 1960.
https://www.epi.org/productivity-pay-gap/
Reagan's union busting and anti-union propaganda took off in the 80's. That was followed by  the rise of the radical right noise machine.
Propaganda is a very powerful thing.
Laws that have weakened unions since the 1950s
Taft-Hartley Act of 1947
Landrum-LaGuardia Act of 1959
State-level "right-to-work" laws that diminish collective bargaining power.
Deregulation and lax enforcement of labor laws have indirectly weakened unions by empowering anti-union employer practices.
EPI
Explaining the erosion of private-sector unions
How corporate practices and legal changes have undercut the ability of workers to organize and bargain
https://www.epi.org/unequalpower/publications/private-sector-unions-corporate-legal-erosion/