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>>
ā€¢ Money: Assets that people are generally willing to accept in exchange for goods and services
or for payments of debts
ā€¢ Asset: Anything of value owned by a person or firm
ā€¢ Barter is the exchange of goods and services for other goods and services, requires a double
coincidence of wants
ā€¢ Money makes exchange easier thereby allowing for specialisation and higher productivity
ā€¢ Functions of money
o Medium of exchange
o Unit of account
o Store of value
What can serve as money?
ā€¢ 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
ā€¢ 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
ā€¢ 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?
ā€¢ Currency: Notes and coins held by the private non-bank sector
ā€¢ 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
ā€¢ M3: M1, plus all other deposits of the private non-bank sector with domestic and foreign
owned banks operating in Australia
ā€¢ Broad money: M3, plus deposits into non-bank deposit-taking institutions minus holdings of
currency and deposits of non-bank depository corporations
ā€¢ Credit: Loans, advances and bills provided to the private non-bank sector by all financial
intermediaries
How do financial institutions create money?
ā€¢ 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
ā€¢ The simple deposit multiplier
o The ratio of the amount of deposits created by banks to the amount of new reserves
o = 1/RR
ā€¢ The real world deposit multiplier
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