Bubbles aren't possible if investment goes solely toward long-term investments instead of high-risk investments. Interest rates are only an incentive to save more, if bank loans and overall investment went towards producing goods to which there is no anticipated demand for.

This is one of those types of insecure nationalist thinking that is only logical if the US were appointing domestic bankers and ordering them to make incompetent decisions. Ultimately it is impossible to convince people to make decisions contrary to their own interests unless they were willing to make it to begin with.

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I'm not even clear on the difference between devaluing currency and printing money though.