Rapid =/ unsustainable.
Pretty much every bubble in history can be traced back to some sort of central authority meddling in the free market.
I disagree. If you want to put it that way, every boom period in history can also be traced to the actions of some central authority. Rapid growth is and MUST be unsustainable in the SHORT RUN, but it is sustainable in the LONG RUN. Our economy grows by averaging out good times and bad, with booms taking us up further than drawdowns bring us down. That is the nature of capitalism.
Another way to think about it is that we are paying for long-term growth with short-term risk. You can't get something for nothing, and for something as great as long-term growth, we are paying the comparatively modest price of short-term risk. Government interference may of course make our overall EV worse, but it is not the main cause of recessions.
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Congratulations to SuperNiceDog, Guru Winner, who was smart enough to pick
your 7 time champion, Link.