How the U.S. Banking System Works
The United States banking system is a “fractional reserve” system. This began in the 1800s when the courts declared that money on deposit in banks was no longer the property of the depositor, but rather was a debt owed by the bank to the depositor in the amount of the deposit. This meant that the money deposited became the property of the banks to do with as they pleased, which opened the way for lending “their” money. It wasn’t long before they realized that only a small fraction of depositors wanted to withdraw “their” money at one time. Thereafter, banks began lending a large percentage of the money depositors placed with them and keeping only a small “reserve” to meet depositors demands for cash. This gave rise to two potential problems for banks: 1. a solvency problem (if the bank’s liabilitiesexceeded its assets, creditors/depositors were not all able to withdraw “their” deposits and the bank went bankrupt), 2. a liquidity problem (even though a bank might have assets in excess of its liabilities, it might not be able to convert enough of its assets to cash to meet the current demand for cash [from depositors’ withdrawals]).
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