ECON1010 Lecture Notes - Lecture 7: Reserve Bank Of Australia, Investment Banking, Open Market Operation

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Lecture 7
THE MEANING OF MONEY
ā€¢ We all know how to spend it, but what is it really that we are spending? What is money?
ā€¢ Money is the set of assets in an economy that people regularly use to buy goods and services from
other people.
FUNCTIONS OF MONEY
- Medium of exchange (means of payment)
o An item that buyers give to sellers when they want to purchase goods and services
o A medium of exchange is anything that is readily acceptable as payment
- Unit of account
o Yardstick people use to post prices and record debts
- Store of value
o Item which people can use to transfer purchasing power from the present to the future\
TYPES OF MONEY
ā€¢ Commodity money takes the form of a commodity with intrinsic value.
ā€“ Examples: gold, silver, cigarettes.
ā€¢ Fiat money is used as money because of government decree.
ā€“ It does not have intrinsic value.
ā€“ Examples: coins, currency, cheques, deposits
ā€“ zero-coupon bond of infinite maturity
MONEY IN THE AUSTRALIAN ECONOMY
ā€¢ Currency is the plastic notes and metal coins in the hands of the public.
ā€¢ Current deposits are balances in bank accounts that depositors can access on demand by using a
debit card or writing a cheque.
ā€¢ Monetary aggregates: narrow vs broad money
ā€¢ What is liquidity?
ā€¢ Monetary base (MB)
ā€¢ Money stock
THE MONEY SUPPLY
ā€¢ The money supply is the quantity of money available in the economy
ā€¢ Why is it important?
ā€¢ How is money supply determined?
ā€¢ Creation of supply money by the central bank AND the banking system
1. the RBA (monopolistically)
- Open market operations
2. Money stock (M1-M3) through interactions between the CB, commercial banks and the
puī„liī„ aī…¶d the īšī…µultipliī„atioī…¶ī› pī†Œoī„ess
BANKS AND THE MONEY SUPPLY
ā€¢ Can banks also affect money supply?
ā€¢ Influencing the quantity of demand deposits
ā€¢ Reserves are deposits that banks have received but have not loaned out.
ā€¢ Why do banks hold reserves?
ā€“ Required vs voluntary reserves
ā€¢ In a fractional-reserve banking system, banks hold a fraction of the money deposited as reserves and
lend out the rest
ā€¢ Reserve ratio (R) is the fraction of deposits that banks hold as reserves
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