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by cs702
4620 days ago
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Step-by-step, in plan English: (1) China sells stuff to US buyers, who pay with US dollars. (2) A US dollar is essentially a made-up financial instrument "backed by the full faith and credit" of the US -- it has value only because US laws make it so -- that is, by government fiat. (3) China could easily sell all those dollars, but if it did that, the dollar would depreciate, making Chinese products more expensive for US buyers! Chinese manufacturers would not like that. So what does China do with all those US dollars? (4) China buys US treasury bonds -- another made-up financial instrument, issued by the same government, that pays interest in the form of more dollars. Effectively, China exchanges one made-up instrument that pays no interest for another one that does. It's not an "investment" in the traditional sense of the word. -- PS. If you find all of this mind-boggling, you're in good company. When asked about the value of money two centuries ago, Nathan Mayer Rothschild -- a member of the famous banking dynasty -- reportedly said that only two people in the world really understood it, but they disagreed with each other. And things were a lot simpler back then! |
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The reason we use these standards is simple: convenience. We can discuss forever how many lines of code you would have to write to pay for your rent, and what if your landlord doesn't needs any code? then you have to find someone who needs code and is willing to trade it for something your landlord needs and its also equivalent to your rent. Fiat currency in this case is like the metric system: it works (nearly) everywhere.