ECON1020 Lecture 7: Money and Banking

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Lecture 7 - Money and Banking
Thursday, 19 April 2018
2:00 PM
<<ECON 1020 Lecture 7.pdf>>
Money: Assets that people are generally willing to accept in exchange for goods and services
or for payments of debts
Asset: Anything of value owned by a person or firm
Barter is the exchange of goods and services for other goods and services, requires a double
coincidence of wants
Money makes exchange easier thereby allowing for specialisation and higher productivity
Functions of money
o Medium of exchange
o Unit of account
o Store of value
What can serve as money?
Five criteria:
o Must be acceptable to most people
o Should be of standardised quality
o Should be durable
o Should be valuable relative to its weight, so it can be easily transported
o It should be divisible
Commodity money is a good used as money that also has value independent of its use as
money, it is a valid medium of exchange but value depends on quality e.g. gold because its
value is dependent on its purity
Fiat money is money, such as paper currency, that is declared to be "legal tender" (it must be
accepted as payment) by a central bank or government body. It also does not need to be
exchanged by the central bank for gold or some other commodity money
How is money measured?
Currency: Notes and coins held by the private non-bank sector
M1: The narrowest definition of the money supply which is comprised of currency plus the
value of all demand deposits with banks
o Demand deposits: Deposits in financial institutions that are transferable by cheque,
debit cards (through EFTPOS) and through electronic transfers between accounts
M3: M1, plus all other deposits of the private non-bank sector with domestic and foreign
owned banks operating in Australia
Broad money: M3, plus deposits into non-bank deposit-taking institutions minus holdings of
currency and deposits of non-bank depository corporations
Credit: Loans, advances and bills provided to the private non-bank sector by all financial
intermediaries
How do financial institutions create money?
Bank balance sheets
o Reserves: Deposits that a bank keeps as cash in its vault or on deposit with the RBA
o Australia operate a fractional reserve banking system, banks only keep a fraction of
their deposits as reserves
o Reserve Ratio (RR): A bank's ratio of reserves to deposits
o Excess reserves: Reserves above the normal ratio of reserves to deposits
o A loan is an asset to a bank and a deposit is a liability to a bank
The simple deposit multiplier
o The ratio of the amount of deposits created by banks to the amount of new reserves
o = 1/RR
The real world deposit multiplier
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