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Functions of Money


What are the Functions of Money

Money performs four specific functions, each of which overcomes the difficulties of barter. The functions of money are to serve as:

  1. Unit of value,
  2. Medium of exchange,
  3. Standard of deferred payments and
  4. Store of value.

Money as a Unit of Value

The first function of money is to be a unit of value or a unit of account. The monetary unit is the unit in terms of which the value of all goods and services is measured and expressed. The value of each good or service is expressed as a price, which is the number of monetary units for which the good or service can be exchanged.

If the price of a pen is Rs. 10 then a pen can be had in exchange for ten monetary units (where the monetary unit in this case is the rupee). Measuring values in monetary units helps in measuring the exchange values of commodities. If a pen is worth Rs. 10 and a notebook is worth Rs.20 then a notebook is worth two pens. Further, accounting is simplified, as all items will be recorded in terms of monetary units that can be added and subtracted. Money is a useful measuring rod of value only if the value of money itself remains constant. This is similar to saying that a scale is a useful measure of length only if the length of the scale itself is constant. The value of money is linked to its purchasing power. Purchasing power is the inverse of the average or general level of prices as measured by the consumer price index etc. As the general price level increases, a unit of money can purchase a lesser amount of goods and services - so the value or purchasing power of money declines. So, money will be a useful unit of value only as long as its own value or purchasing power remains constant.

Money as a Medium of Exchange

Money also acts as a medium of exchange or as a medium of payments. This function of money is served by anything that is generally accepted by people in exchange for goods and services. 'Anything' has been quite a variety of things across places and times. Some of the things that have served as money are - clay, cowry shells, tortoise shells, cattle, pigs, horses, sheep, tea, tobacco, wool, salt, wine, boats, iron, copper, brass, silver, gold, bronze, nickel, paper, leather, playing cards, debts of individuals, debts of banks, debts of governments, etc. Money will then reduce the time and energy spent in barter. The person who owned a cow can now simply sell it to the person who offers the most money for it and then buy the bullock cart from another person who offers him the best bargain. Ultimately, all trade may be considered barter - one good or service is traded for another good or service -either directly, or indirectly with money acting as the intermediary. However, by acting as an intermediary, money increases the ease of trade. Money is also called a bearer of options or generalised purchasing power. This indicates the freedom of choice that the use of money offers. The owner of the cow need not procure goods and services from those to whom he sold his cow. He can use the money to buy the things he wants most, from those who offer him the best bargain (not necessarily those who bought his cow), at the time he considers most advantageous (not necessarily immediately). Again, this function can only be performed properly if the value of money remains constant.

Money as a Standard of Deferred Payments

If money performs the previous two functions then it may also perform the function of being the unit in terms of which deferred or future payments are stated. Examples of situations where future payments are to be made are pensions, principal and interest on debt, salaries etc. As long as money maintains a constant value through time, it will overcome the problems associated with making future payments with specific commodities.

Money as a Store of Value

If money becomes a unit of value and a means of payment then it may also perform the function of serving as a store of value. The holders of money are holders of generalised purchasing power that can be spent through time. They know that it will be accepted at any time for any good or service and is thus a store of value. This function will be performed well as long as money retains a constant purchasing power.

It may be noted that any asset other than money may also perform the function of store of value, for example, bonds, land, houses, etc. These assets have the advantage that, unlike money, they yield income and may appreciate in value over time. However, they are subject to the following:

  1. They may involve storage costs,
  2. They may not be liquid in the sense that they could not be quickly converted into money without loss of value, and
  3. They may depreciate in value. A person may choose to store value in any form depending on considerations of income, safety and liquidity.

What is Barter Exchange?

  • Barter Exchange
    Prior to the introduction of money as it is known today, trade was carried out by barter, i.e. exchange of goods for goods. Due to the wasteful nature of barter, the amount of trade that could be carried out...

Also See:

  • Domestic Trade
    Domestic trade is the exchange of goods, services, or both within the confines of a national territory. They are always aimed at a single market.
  • International Trade
    International Trade: Trade that includes exchange of capital, goods, and services across nations is called International Trade. Scope of International Trade, Advantages of International Trade and Disadvantages of International Trade.
  • Major Difference between Domestic and International Business
    Difference between Domestic and International Trade. Conducting and managing international business operations is more complex than undertaking domestic business.

© 2009 Dilip Chandra


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It has good and useful information..

Manige Derrick T on October 02, 2012:

Scroll to Continue

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TER on July 23, 2012:


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well defined functions of money

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the inf. r very usefull and interesting. these 'll be really benefitial for students,but references should be mentioned.

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Reve from Dhaka on March 18, 2012:

Money has changed the whole pathway of ruling our lives! There was a time when people used to exchange things for fulfilling their demands. In a way, I found it interesting as it did not make any financial status based difference!

Thanks for your useful and informative hub about money!

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GOOD AND RELIABLE on December 14, 2011:


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A one on October 17, 2011:

money ia any commodity chosen by community to be a measure of valua and means of payment.

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Umar isah kwanna on October 08, 2011:

Money is anything generally acceptable as a medium of exchange and settle of debt

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Thanks for a quick informative lesson on the functions of money. I had to learn about this back when I was teen at school.

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Rashid Mehmood on August 20, 2010:

"Money is what the money does"

suny shah on August 12, 2010:

money is a commodity which is generally acceptable as a medium of exchange and at the same time its acts measure and store of value

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