”Like any banker, the Fed, or the Bank of England “keystrokes” money into existence. Central bank money takes the form of reserves or notes, created to make payments for customers (banks or the national treasury) or to make purchases for its own account (treasury securities or mortgage backed securities).
Bank and central bank money creation is limited by rules of thumb, underwriting standards, capital ratios and other imposed constraints. After abandoning the gold standard, there are no physical limits to money creation. We cannot run out of keystroke entries on bank balance sheets.”