Money is any object or record that is generally accepted as payment for goods and services and repayment of debts in a given country or socio-economic context. The main functions of money are distinguished as: a medium of exchange; a unit of account; a store of value; and, occasionally in the past, a standard of deferred payment. Any kind of object or secure verifiable record that fulfills these functions can serve as money.
Money originated as commodity money, but nearly all contemporary money systems are based on fiat money. Fiat money is without intrinsic use value as a physical commodity, and derives its value by being declared by a government to be legal tender; that is, it must be accepted as a form of payment within the boundaries of the country, for "all debts, public and private".
The money supply of a country consists of currency (banknotes and coins) and bank money (the balance held in checking accounts and savings accounts). Bank money usually forms by far the largest part of the money supply.
Functions
In the past, money was generally considered to have the following four main functions, which are summed up in a rhyme found in older economics textbooks: "Money is a matter of functions four, a medium, a measure, a standard, a store." That is, money functions as a medium of exchange, a unit of account, a standard of deferred payment, and a store of value. However, modern textbooks now list only three functions, that of medium of exchange, unit of account, and store of value, not considering a standard of deferred payment as a distinguished function, but rather subsuming it in the others.There have been many historical disputes regarding the combination of money's functions, some arguing that they need more separation and that a single unit is insufficient to deal with them all. One of these arguments is that the role of money as a medium of exchange is in conflict with its role as a store of value: its role as a store of value requires holding it without spending, whereas its role as a medium of exchange requires it to circulate. Others argue that storing of value is just deferral of the exchange, but does not diminish the fact that money is a medium of exchange that can be transported both across space and time. The term 'financial capital' is a more general and inclusive term for all liquid instruments, whether or not they are a uniformly recognized tender.
Medium of exchange
Main article: Medium of exchange
When money is used to intermediate the exchange of goods and services, it is
performing a function as a medium of exchange. It thereby avoids the
inefficiencies of a barter system, such as the 'double coincidence of
wants' problem.Unit of account
A unit of account is a standard numerical unit of measurement of the market value of goods, services, and other transactions. Also known as a "measure" or "standard" of relative worth and deferred payment, a unit of account is a necessary prerequisite for the formulation of commercial agreements that involve debt. To function as a 'unit of account', whatever is being used as money must be:- Divisible into smaller units without loss of value; precious metals can be coined from bars, or melted down into bars again.
- Fungible: that is, one unit or piece must be perceived as equivalent to any other, which is why diamonds, works of art or real estate are not suitable as money.
- A specific weight, or measure, or size to be verifiably countable. For instance, coins are often milled with a reeded edge, so that any removal of material from the coin (lowering its commodity value) will be easy to detect.
Store of value
Main article: Store of value
To act as a store of value, a money must be able to be reliably
saved, stored, and retrieved – and be predictably usable as a medium of
exchange when it is retrieved. The value of the money must also remain stable
over time. Some have argued that inflation, by reducing the value of money,
diminishes the ability of the money to function as a store of value.Standard of deferred payment
Main article: Standard of
deferred payment
While standard of deferred payment is distinguished by some texts, particularly older ones, other texts
subsume this under other functions. A "standard of deferred
payment" is an accepted way to settle a debt
– a unit in which debts are denominated, and the status of money as legal tender, in those jurisdictions which have
this concept, states that it may function for the discharge of debts. When
debts are denominated in money, the real value of debts may change due to inflation and deflation, and for sovereign and international
debts via debasement and devaluation.Measure of Value
Money, essentially acts as a standard measure and common denomination of trade. it is thus a basis for quoting and bargaining of prices. It has significantly in developing efficient accounting systems. But the most important usage is that it provides a method to compare the values of dissimilar objects.Money supply
In economics, money is a broad term that refers to any financial instrument that can fulfill the functions of money (detailed above). These financial instruments together are collectively referred to as the money supply of an economy. In other words, the money supply is the amount of financial instruments within a specific economy available for purchasing goods or services. Since the money supply consists of various financial instruments (usually currency, demand deposits and various other types of deposits), the amount of money in an economy is measured by adding together these financial instruments creating a monetary aggregate.Modern monetary theory distinguishes among different ways to measure the money supply, reflected in different types of monetary aggregates, using a categorization system that focuses on the liquidity of the financial instrument used as money. The most commonly used monetary aggregates (or types of money) are conventionally designated M1, M2 and M3. These are successively larger aggregate categories: M1 is currency (coins and bills) plus demand deposits (such as checking accounts); M2 is M1 plus savings accounts and time deposits under $100,000; and M3 is M2 plus larger time deposits and similar institutional accounts. M1 includes only the most liquid financial instruments, and M3 relatively illiquid instruments.
Another measure of money, M0, is also used; unlike the other measures, it does not represent actual purchasing power by firms and households in the economy. M0 is base money, or the amount of money actually issued by the central bank of a country. It is measured as currency plus deposits of banks and other institutions at the central bank. M0 is also the only money that can satisfy the reserve requirements of commercial banks.
Market liquidity
Main article: Market liquidity
Market liquidity describes how easily an item can be traded for
another item, or into the common currency within an economy. Money is the most
liquid asset because it is universally recognised and accepted as the common
currency. In this way, money gives consumers the freedom to trade goods and services easily without
having to barter.Liquid financial instruments are easily tradable and have low transaction costs. There should be no (or minimal) spread between the prices to buy and sell the instrument being used as money.
Types of money
Currently, most modern monetary systems are based on fiat money. However, for most of history, almost all money was commodity money, such as gold and silver coins. As economies developed, commodity money was eventually replaced by representative money, such as the gold standard, as traders found the physical transportation of gold and silver burdensome. Fiat currencies gradually took over in the last hundred years, especially since the breakup of the Bretton Woods system in the early 1970s.
My opinion about this article :
The main functions of money
are distinguished as: a medium of exchange;
a unit of account; a store of value; and, occasionally in the past, a standard of deferred
payment.Any kind of object or secure verifiable
record that fulfills these functions can serve as money.
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