
Money is a vital part of our daily lives, and understanding its functions is crucial for making smart financial decisions.
In the context of college economics, money serves three primary functions that are essential for individuals and societies.
The first function of money is as a medium of exchange, allowing us to trade goods and services without having to barter. This function is particularly important in a market-based economy where specialization and trade are the norm.
The second function of money is as a unit of account, enabling us to express the value of goods and services in a standardized way. This function is essential for businesses and individuals to make informed decisions about investments and transactions.
The third function of money is as a store of value, providing a safe and reliable way to save for the future. This function is critical for individuals and families to build wealth and achieve long-term financial goals.
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Functions of Money
Money plays a vital role in our daily lives, and understanding its functions is essential. One of the primary functions of money is as a medium of exchange, which means it allows us to buy things we want or need.
To be a proper medium of exchange, an asset must have certain characteristics, such as being readily acceptable, easily divisible, having a high value relative to its weight, and being difficult to counterfeit.
A $100 dollar bill, for example, is widely accepted and can be easily divided into smaller denominations, making it a suitable medium of exchange.
Money also serves as a standard of deferred payment, allowing us to settle debts in the future. This function is closely related to its role as a medium of exchange.
Money can be used to value and settle a debt even if it's not paid immediately, creating credit and facilitating transactions.
If you have money but aren't sure what you want to spend it on, it acts as a store of value, allowing you to save it for later. This is especially important since many goods are perishable and services can't be stored.
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Money can be easily stored, retrieved, and used at a later time, making it an effective way to store wealth.
Here are the key characteristics of a good medium of exchange:
Types of Money
Money has taken many forms throughout history, including commodity money and fiat money. Commodity money, like gold, has value beyond its use as currency, such as in the electronics and aerospace industry.
Commodity-backed currencies, like antique dollars, were backed by gold or silver held at a bank. People could exchange these bills for a dollar's worth of silver, as seen on antique dollars dated as late as 1957.
Currency
Currency is a vital part of our lives, but have you ever stopped to think about what it's actually made of? In most countries, the bulk of the currency consists of notes issued by the central bank, such as the Bank of England notes in the United Kingdom or Federal Reserve notes in the United States.
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These notes are not obligations of the central banks in any meaningful sense, meaning the holder can't exchange them for anything except other pieces of paper with the same face value. It's a bit like a game of musical chairs, where the value is only as good as the next person's faith in it.
In countries with a history of high inflation, the public may choose to use foreign currency as a medium of exchange and a standard of value. The U.S. dollar has been a popular choice for this purpose, with estimates suggesting that as much as two-thirds of all dollars in circulation were found outside the United States at the turn of the 21st century.
Dollars can be found in use in countries like Russia, Argentina, and many other Latin American and Asian countries, where they are accepted as a means of payment due to their widespread recognition and use.
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Bank Deposits
Bank Deposits are a type of money that's stored in a bank account.
You can deposit cash, checks, or electronic transfers into a bank account, which are then recorded as credits.
Deposits are usually made through bank tellers, online banking, or mobile banking apps, making it convenient to manage your money.
The deposited funds are then available for use in your account, and you can withdraw them as needed.
Some banks also offer interest on deposits, which can earn you additional money over time.
You can also link your bank account to your debit card, making it easy to access your money at ATMs or retailers.
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A Measure of Value
Money serves as a universal unit of account to measure the value of all the goods and services exchanged in an economy.
In a money-based economy, prices can be indicated using only one measure of value, simplifying transactions and people's understanding of how much a good or service is worth.
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Having a single measure of value like money makes it easier for businesses to set prices and for consumers to make informed purchasing decisions.
Money provides a common language for expressing the value of goods and services, facilitating trade and commerce.
By using money as a measure of value, economies can function more efficiently and effectively.
Precious Metals
Precious metals like gold and silver are used as a store of value and a form of currency in some countries.
They have a long history of being used as a medium of exchange, with gold being used as a standard unit of account in many economies.
Sources
- https://k12.libretexts.org/Bookshelves/Economics/04%3A_Public_Policy_and_the_Economy/4.08%3A_The_Role_of_Money
- https://www.britannica.com/money/money/Modern-monetary-systems
- https://corporatefinanceinstitute.com/resources/economics/functions-of-money/
- https://courses.lumenlearning.com/wm-macroeconomics/chapter/defining-money-by-its-functions/
- https://openstax.org/books/principles-economics-3e/pages/27-1-defining-money-by-its-functions
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