本来是不想当好人的 XD form Wikipedia http://en.wikipedia.org/wiki/Money_supply Convention Because (in principle) money is anything that can be used in settlement of a debt, there are varying measures of money supply. Since most modern economic systems are regulated by governments through monetary policy, the supply of money is broken down into types of money based on how much of an effect monetary policy can have on that type of money. Narrow money is the type of money that is more easily affected by monetary policy whereas broad money is more difficult to affect through monetary policy[5]. Narrow money exists in smaller quantities while broad money exists in much larger quantities. Each type of money can be classified by placing it along a spectrum between narrow (easily affected) and broad (difficult to affect) money. The different types of money are typically classified as M's. The number of M's usually range from M0 (most narrow) to M3 (broadest) but which M's are actually used depends on the system. The typical layout for each of the M's is as follows: * M0: Physical currency. A measure of the money supply which combines any liquid or cash assets held within a central bank and the amount of physical currency circulating in the economy. M0 (M-zero) is the most liquid measure of the money supply. It only includes cash or assets that could quickly be converted into currency. This measure is known as narrow money because it is the smallest measure of the money supply.[6] * M1: M0 + demand deposits, which are checking accounts. This is used as a measurement for economists trying to quantify the amount of money in circulation. The M1 is a very liquid measure of the money supply, as it contains cash and assets that can quickly be converted to currency.[7] * M2: M1 + small time deposits (less than $100,000), savings deposits, and non-institutional money-market funds. M2 is a broader classification of money than M1. Economists use M2 when looking to quantify the amount of money in circulation and trying to explain different economic monetary conditions.[8] M2 is key economic indicator used to forecast inflation.[9] * M3: M2 + all large time deposits, institutional money-market funds, short-term repurchase agreements, along with other larger liquid assets. The broadest measure of money; it is used by economists to estimate the entire supply of money within an economy. United States * M0: The total of all physical currency, plus accounts at the central bank that can be exchanged for physical currency. * M1: M0 - those portions of M0 held as reserves or vault cash + the amount in demand accounts ("checking" or "current" accounts). * M2: M1 + most savings accounts, money market accounts, and small denomination time deposits (certificates of deposit of under $100,000). * M3: M2 + all other CDs (large time deposits, institutional money market mutual fund balances), deposits of eurodollars and repurchase agreements. 台湾的有人写出来了, 唉, 我都没贡献... ※ 引述《yalanaman (阿霖)》之铭言： : ※ 引述《kiak (kiak)》之铭言： : : '''想请问一下~(急问...) : : 有人知道"台湾"和"美国"的M1.M2.M3各是什麽吗???? : : 在网路上查了~但不知哪些是台湾的?哪些是美国的? : 台湾的是 : M1A=社会大众手中的通货+支票存款+活期存款 : M1B=M1A+活期储蓄存款 : M2=M1B+定期存款+定期储蓄存款 --

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