That 10% reserve number is interesting. I learned about the 10% reserve ratio in macroeconomics class, where I also learned that there's this thing called the money multiplier. See, if banks are required to hold a fraction r (10%) of their deposits in reserve, then obviously they'll lend out the rest, which will in turn be held or spent by the borrower, and one way or another it'll end up back in a bank. So a (1-r) f…
Well written, thank you. It's beyond my understanding why the fractional reserve banking is allowed by western societies. Why should banks be able to do this, but not other companies or even private persons?
Other companies besides "banks" (savings and loans, credit unions, etc.) can. Other other companies and private individuals only can't in the sense that there are rules governing this to prevent abuse, and if you jump through all the hoops required to do that, you have become a bank, savings and loan, credit union, or some other entity allowed to do it. Banks, etc., are just the name given to entities that have met the requirements to engage in particular activities.