Following the 2017 "Power and Politics" lectures at Yale[1] on Youtube (lecture 5) I came across this graph[2] showcasing the relationship between inequality an

Following the 2017 "Power and Politics" lectures at Yale[1] on Youtube (lecture 5) I came across this graph[2] showcasing the relationship between inequality and union membership. I know that correlation does not imply causation but here there are at least two strong narratives offered at the lecture supporting the relationship. [1]: https://www.youtube.com/watch?v=BDqvzFY72mg&list=PLh9mgdi4rNeyViG2ar68jkgEi4y6doNZy https://www.youtube.com/watch?v=BDqvzFY72mg&list=PLh9mgdi4rN... [2]: https://www.epi.org/publication/unions-decline-and-the-rise-of-the-top-10-percents-share-of-income/ https://www.epi.org/publication/unions-decline-and-the-rise-...