The ideas you refer to were explained in a book called “The Fourth Turning.” Somewhat left-leaning authors, but still an informative and interesting thesis.
Perhaps even more interesting are the books on the Grand Supercycle Crash now upon us, written by Elliott Wave Theorist Robert Prechter. The guy may be a lousy market timer, but he does seem better than most at predicting sequences and degrees of outcome.
Prechter’s forecast for the bottom of the Dow: 300. With real estate values bottoming at 10% of the peak...
I’ll check him out. Thanks.