The Different Types Of Money

What is money? In economics, money is simply something generally accepted as a medium of exchange for goods and services (Merriam-Webster). That means that anything can technically be considered money, but the most accepted kind today comes in the form of paper, coins (metallic money), and credits (backed by banks). There are different types of money and they all have three functions in common; they serve as a medium of exchange, as a store of value, and as a unit of account.

This topic might be a bit “dry”, but I hope you find it very informative.

Functions of Money

Money is define by the three functions (or services) that it provides:

A Medium of Exchange

The main and most important function of money is that it can be used in the exchange of goods and services. As a widely accepted form of payment, it serves as a medium of exchange that allows those who use it to get what they need easily. 

Without money, people would have to use the barter system. In this system, people exchange goods and services with one another. It’s a good system if both parties hold what the other wants, which is called a double coincidence of wants. For example, if I wanted to exchange a luxury car for a used speed boat with someone, we would both walk away happy.

However, the problem comes in when the individual does not have a good or service that the other values for the exchange. Example: What if I wanted to buy your car for 10 cows and a couple chickens? I’m guessing they wouldn’t be taken as payment.

Unit of account

Serving as a unit of account, money acts as a common standard for measuring the value of goods and services. It’s consistent and allows you to easily compare the worth of a $1 soda to a $50 chair. On the other hand, if I had to pay for the soda with pencils, and the chair with apples, it’d be harder to understand their values.

With money as a common measure, it’s easier to quote and bargain prices.

Store of value

Money must also serve as a store of value, meaning that it retains its worth over time. It should be able to be saved, stored, and retrieved while still being viable as a reliable medium of exchange. If I sold a bunch of chairs for apples, I would not be able to “Stack My Apples” and continue increasing my wealth. Overtime, they would be worth LESS when they’re getting soft, and WORTHLESS when spoiled.

However, one could argue that money does not really “store value” either due to the fluctuating purchasing power with inflation.

5 Types Of Money

Fiat Money

Examples: Bank notes (paper money) and coins

Fiat money (fiat currency) is money whose value is not based on its inherent value, but is based on an authoritative decision (fiat) by the governing body. The government declares it as legal tender and it must then be accepted as a form of payment everywhere. Due to not having an intrinsic value, a partially destroyed bill can be replaced by the Federal Reserve Bank. On the other hand, commodity money can not be.

Commodity Money

Examples: Precious metals (i.e. gold), salt, beads, alcohol

Unlike fiat currency, the value of commodity money is intrinsic; its value comes from the commodity it is made from. If the money is destroyed, it cannot be replaced. It is also probably the earliest form of money. These commodities are used as a medium of exchange and gain their value from the scarcity of the items. Use of this type of money is like using the barter system where goods and services are exchanged for the like. Unlike the barter system, using commodity money functions as a unit of account that allows you to compare the worth of goods and services.

Representative Money

Examples: Certificates, paper money, coins

Representative money, like fiat money, has no value of its own. Unlike fiat money, it is backed by a commodity. As a commodity-back money, it could be exchanged for precious metals (like gold) held within a bank vault. It was easier to to carry a certificate around rather than a chest full of gold.

Fiduciary Money

Examples: Checks, bank drafts

Deriving from the Latin word fiducia, to trust, fiduciary money works on the promise and trust that it will be exchanged for fiat or commodity money by the issuer (bank). People are not required to take it as a form of payment because it is not a government-ordered legal tender.

Some people don’t know how to write checks anymore, click here if you’d like to learn how.

Commercial Bank Money

Example: Funds in a checking account

Commercial money (also known as demand deposits) is a claim against a bank for the purchase of goods and services (through the means of withdrawing in person, check, ATMs, or online banking). It is a debt-created currency by the bank. They create more money through a process called fractional-reserve banking. In this, only a certain percentage of money the bank “has” is actually held within it. The other percent is given to others in the form of loans, in doing so, the bank makes back more money from the interest and fees charged to customers.

In short, the bank is loaning out the money you deposit to give other debt and create more money from the interest on it.

If you have debt, read this article on how to pay it off fast: 10 Best Ways To Pay Off Debt Fast

Properties of Money

Fiat, commodity, representative, fiduciary, and commercial bank money all share these 7 characteristics of money:

  • Fungibility: It is fungible if it is interchangeable with other units of money. It must also be divisible. Ex: A dollar bill is equal to another dollar bill, or can be divided it 4 quarters of equal worth. A granny smith apple may not be equal to a golden apple, and you can’t divide it up equally to pay for goods..
  • Durability: It must be able to withstand the wear and tear from going hand to hand.
  • Portability: It should be able to easily be carried and transported around.
  • Cognizability: It’s value must be easily identified. Ex: A dollar bill is marked with a “1”, and ten dollar bill has a “10”. You can easily see and compare their worth.
  • Stability of value: The value should remain constant over a long period of time.
  • Limited Supply: Money must be relatively scarce and not easy to come by. The amount of money is regulated by the government so it can maintain its value. Ex: In apocalyptic tv shows, water becomes a form of money due to its scarcity.

All in all, the main form of money used in economies today is fiat money; it has no value except that of which is ordered by the government. What matters is that all types of money functions as a medium of exchange, as a store of value, and as a unit of account.

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