Debt, the Economy, Federal Reserve & Interest Rates: Alan Greenspan on Monetary Policy (2003)

• published: 30 Nov 2014
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"The rate at which the central bank lends money can indeed be chosen at will by the central bank; this is the rate that makes the financial headlines." – Henry C.K. Liu.[20] Liu explains further that "the U.S. central-bank lending rate is known as the Fed funds rate. The Fed sets a target for the Fed funds rate, which its Open Market Committee tries to match by lending or borrowing in the money market ... a fiat money system set by command of the central bank. The Fed is the head of the central-bank because the U.S. dollar is the key reserve currency for international trade. The global money market is a USA dollar market. All other currencies markets revolve around the U.S. dollar market." Accordingly the U.S. situation is not typical of central banks in general. A typical central bank has several interest rates or monetary policy tools it can set to influence markets. Marginal lending rate (currently 0.30% in the Eurozone[21]) – a fixed rate for institutions to borrow money from the central bank. (In the USA this is called the discount rate). Main refinancing rate (0.05% in the Eurozone[21]) – the publicly visible interest rate the central bank announces. It is also known as minimum bid rate and serves as a bidding floor for refinancing loans. (In the USA this is called the federal funds rate). Deposit rate, generally consisting of interest on reserves and sometimes also interest on excess reserves (-0.20% in the Eurozone[21]) – the rates parties receive for deposits at the central bank. These rates directly affect the rates in the money market, the market for short term loans. Through open market operations, a central bank influences the money supply in an economy. Each time it buys securities (such as a government bond or treasury bill), it in effect creates money. The central bank exchanges money for the security, increasing the money supply while lowering the supply of the specific security. Conversely, selling of securities by the central bank reduces the money supply. Open market operations usually take the form of: Buying or selling securities ("direct operations") to achieve an interest rate target in the interbank market . Temporary lending of money for collateral securities ("Reverse Operations" or "repurchase operations", otherwise known as the "repo" market). These operations are carried out on a regular basis, where fixed maturity loans (of one week and one month for the ECB) are auctioned off. Foreign exchange operations such as foreign exchange swaps. All of these interventions can also influence the foreign exchange market and thus the exchange rate. For example the People's Bank of China and the Bank of Japan have on occasion bought several hundred billions of U.S. Treasuries, presumably in order to stop the decline of the U.S. dollar versus the renminbi and the yen. All banks are required to hold a certain percentage of their assets as capital, a rate which may be established by the central bank or the banking supervisor. For international banks, including the 55 member central banks of the Bank for International Settlements, the threshold is 8% (see the Basel Capital Accords) of risk-adjusted assets, whereby certain assets (such as government bonds) are considered to have lower risk and are either partially or fully excluded from total assets for the purposes of calculating capital adequacy. Partly due to concerns about asset inflation and repurchase agreements, capital requirements may be considered more effective than reserve requirements in preventing indefinite lending: when at the threshold, a bank cannot extend another loan without acquiring further capital on its balance sheet. Historically, bank reserves have formed only a small fraction of deposits, a system called fractional reserve banking. Banks would hold only a small percentage of their assets in the form of cash reserves as insurance against bank runs. Over time this process has been regulated and insured by central banks. Such legal reserve requirements were introduced in the 19th century as an attempt to reduce the risk of banks overextending themselves and suffering from bank runs, as this could lead to knock-on effects on other overextended banks. See also money multiplier. As the early 20th century gold standard was undermined by inflation and the late 20th century fiat dollar hegemony evolved, and as banks proliferated and engaged in more complex transactions and were able to profit from dealings globally on a moment's notice, these practices became mandatory, if only to ensure that there was some limit on the ballooning of money supply. Such limits have become harder to enforce. The People's Bank of China retains (and uses) more powers over reserves because the yuan that it manages is a non-convertible currency. http://en.wikipedia.org/wiki/Central_bank