Money pervades our everyday economic interactions. But, despite its importance, it is also pervasively misunderstood. Here are three common monetary myths – frequently perpetuated by economists – that need challenging.
Myth 1: Money emerges from barter
Economists often tell a tale about how old communities first used barter to exchange goods and services. Bartering throws up tricky situations. Take as an example a farmer trying to exchange a cow for bread from a baker, a clumsy and difficult negotiation. Thus, according the old economists like Adam Smith, money was supposedly ‘invented’ as a way to get around that inefficiency and confusion.
This narrative is ahistorical and inaccurate. Anthropologists have long had a much more convincing account: in small communities without money, exchange does not take place through on-the-spot barter. Rather it takes place through reciprocity, the process whereby I give you something now, and then you return the favour over time. In essence, communities develop elaborate systems of score-keeping – informal ‘mutual credit’ systems are created, and if I don’t eventually honour my obligations under that system, I will be shunned from the community.
It is these ‘I owe you one’ systems that are behind the origins of money. Money is an abstracted form of such credit, taken out of the interpersonal context of a small community, and formalised and legalised within a political system.
Myth 2: Money is a commodity, and a store of value
Money is commonly defined as a store of value, a means of exchange, and a unit of account. But if we break it down, we see that money alone does not store value – whatever form that money takes.
Compare a £5 note, £5 worth of coins, and an internet banking screen saying you have £5 in your account. The same concept of £5 can be expressed in paper, metal or electronic form. There is nothing about the physical state of the money that carries the value. Instead, the value is held in the collective agreement of a community to honour what the money stands for.
There have been many cases where that agreement breaks down, for example, in Zimbabwe. In 2008 there was ‘hyperinflation’, a phenomenon where people lose belief in the money. As that belief disappeared, so too did the value of the money, and Zimbabwe was forced to abandon their national currency. The money itself is not the store of value. The community that agrees to uphold money is the store of value.
Nevertheless, people still cling to the notion that money is a ‘thing’ that has an independent existence that we can identify, like oil or rocks. This is the commodity illusion of credit money. Money is in fact a socially constructed, and politically backed, claim on goods and services. While it may have a physical manifestation, it could also exist purely as an accounting entry.
Imagine doing 5 hours of work for a community, and in return getting given a credit for 5 hours, which is simply written down on a central list that everyone can see, saying ‘We acknowledge you did 5 hours of work, and now you can claim back 5 hours from the rest of the community’.
Now imagine tearing that entry for 5 hour credits off the central list, and shaping it into a rectangle piece of paper – like a voucher – that you can pass around to people. That’s pretty much what paper money is right?
Myth 3: Modern money is created by central banks
If you ask many people who creates the money we use, most people say that it’s down to the central bank. In reality, the central bank creates only a small percentage of the money we use. The majority is created by commercial banks, via a process called fractional reserve banking, in which they issue IOUs against central bank money. Nowadays these IOUs are electronic, and we use them every time we use internet banking or a debit card.
This means that if you bank with HSBC, your money actually takes the form of HSBC electronic IOUs which exist nowhere else but in HSBC’s IT system. That’s what you use when you pay with a card in a shop. This act of ‘moving’ your digital money is really just one bank telling another bank to change a data entry in their IT system. The central bank exists to back up trust in the system, and attempts to influence the private issuance of electronic money by commercial banks, but it doesn’t control the money supply itself.
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