besides spend it on frivolous shit like yachts and planes and stuff, there's no way it's all liquid. do they just park all their billions in a bunch of investment vehicles and wait for it to propagate itself? don't they get bored of just waiting and watching line go up?
Investment returns != Interest
I mean, in the sense that rectangle != square, sure. But at the end of the day, money is gaining value each period regardless. Shame on me for using the two interchangably.