see also Peter Turchin's 'wealth pump' https://impact-investor.com/book-review-end-times-by-peter-turchin/ https://impact-investor.com/book-review-end-times-by

see also Peter Turchin's 'wealth pump' https://impact-investor.com/book-review-end-times-by-peter-turchin/ https://impact-investor.com/book-review-end-times-by-peter-t...