I didn’t read through everything but I’m surprised they didn’t mention the change in CEO pay law that was passed in 1993. The Clinton administration attempted to limit tax reductions for CEP pay to 1 million.

The law backfired and CEO pay increased much more dramatically than before the law passed. It was so filled with loopholes that companies could reduce their tax burden if they provided CEOs with stocks. For example one company went from 300K CEO pay to 7.74 million.

Here’s a good summary link