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Transcript of 392 Money. 393 What is Money? Money is any commodity or token that is generally acceptable as the...
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1
Money
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2What is Money?
• Money is any commodity or token that is generally acceptable as the means of payment.
• A means of payment is a method of settling a debt.
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3What is Money?
• Other functions of Money
1) Medium of exchange
2) Unit of account
3) Store of value
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4What is Money?
• Medium of Exchange
• A medium of exchange is an object that is generally accepted in exchange for goods and services.• Without money, people would have to exchange
goods for goods, or barter.
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5What is Money?
• Unit of Account
• A unit of account is an agreed measure for stating the prices of goods and services.• This simplifies value comparisons and purchase
decision making if all prices are expressed using a uniform measure.
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6 The Unit of Account Functions of Money Simplifies Price Comparisons
Movie $6.00 each 2 six-packs of soda
Soda $3.00 per six-pack 2 ice-cream cones
Ice cream $1.50 per cone 3 packs of jelly beans
Jelly beans $0.50 per pack 2 cups of coffee
Coffee $0.25 per cup 1 local phone call
Price in Price in unitsGood money units of another good
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7What is Money?
• Store of Value
• A store of value is any commodity or token that can be held and exchanged later for goods and services.
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8What is Money?
• Money in the United States Today
• Money in the U.S. consists of:• Currency
• Deposits at banks and other financial institutions
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9What is Money?
• Money in the United States Today
• Currency is the bills and coins that we use.
• Deposits are also money because they can be converted into currency and are used to settle debts.
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10What is Money?
• Official Measures of Money
1) M1 consists of currency and traveler’s checks plus checking deposits.
• Includes accounts held by individuals and businesses, but does not include currency held by banks, or currency and checking deposits owned by the U.S. government
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11What is Money?
• Official Measures of Money
2) M2 consists of M1 plus saving deposits and time deposits
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12What is Money?
• Official Measures of Money
3) M3 consists of M2 plus large-scale time deposits and term deposits
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13 Two Measures of Money
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14What is Money?
• Are M1 and M2 Really Money?
• The test of whether an asset is money is whether it serves as a means of payment.• Currency does so
• Checking deposits are money because they can be transferred by writing a check.
• M1 is money
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15What is Money?
• Are M1 and M2 Really Money
• Some savings deposits are readily accessible and can be used as a means of payment.
• Other deposits are less liquid.• Liquidity is the property of being instantly
convertible into a means of payment with little loss in value.
• M2 is money
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16What is Money?
• Other Points Regarding Money
1) Deposits are money but checks are not.
2) Credit cards are not money.
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17Financial Intermediaries
• Financial intermediaries are firms that take deposits from households and firms and makes loans to other households and firms.
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18Financial Intermediaries
• Four Types of Financial Intermediaries
1) Commercial banks
2) Savings and loan associations
3) Savings banks and credit unions
4) Money market mutual funds
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19Financial Intermediaries
• Commercial Banks
• A commercial bank is a firm, licensed by the Comptroller of the Currency or by a state agency to receive deposits and make loans.
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20Financial Intermediaries
• Commercial Banks
• Their balance sheet lists their assets, liabilities, and net worth.• The assets are what the bank owns
• The liabilities are what the bank owes
• These include deposits
• Net worth is the difference between assets and liabilities.
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21Financial Intermediaries
• Commercial Banks
• Their balance sheet is described by the following formula:
Liabilities + Net Worth = Assets
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22Financial Intermediaries
• Profit and Prudence: A Balancing Act
• Banks attempt to maximize the net worth of their stockholders• They earn profit by lending at a higher interest rate
than they borrows
• Lending is risky
• Banks must be prudent in how they uses their deposits
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23Financial Intermediaries
• Reserves and Loans
• Banks divide their funds into two parts:• Reserves are cash in a bank’s vault plus its deposits
at Federal Reserve banks
• Loans
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24Financial Intermediaries
• Three Types of Assets Held by Banks
1) Liquid assets are U.S. government Treasury bills and commercial bills
2) Investment securities are longer-term U.S. government bonds and other bonds
3) Loans are commitments of fixed amounts of money for agreed- upon periods of time
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25Financial Intermediaries
• Savings and Loan Associations
• A savings and loan association is a financial intermediary that receives checking deposits and savings deposits and that makes personal, commercial, and home-purchase loans.
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26Financial Intermediaries
• Savings Banks and Credit Unions
• A savings bank (mutual savings bank) is a financial intermediary owned by its depositors that accepts deposits and makes mostly home-purchase loans.
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27Financial Intermediaries
• Savings Banks and Credit Unions
• A credit union is a financial intermediary owned by its depositors that accepts savings deposits and makes mostly consumer loans.• The key difference between savings banks and
credit unions is that credit unions are owned by a social or economic group such as a firm’s employees.
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28Financial Intermediaries
• Money Market Mutual Funds
• A money market mutual fund is a financial institution that obtains funds by selling shares and uses these funds to buy highly liquid assets such as U.S. Treasury bills
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29Financial Intermediaries
• The Economic Functions of Financial Intermediaries
1) Creating Liquidity
2) Minimizing the cost of borrowing
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30Financial Intermediaries
• The Economic Functions of Financial Intermediaries
3) Minimizing the cost of monitoring borrowers
4) Pooling Risk
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31 Financial Regulation, Deregulation, and Innovation
• Financial Innovation
• Financial innovation is the development of new ways of borrowing and lending.• Primary aim is to increase the profit from financial
intermediation
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32 Financial Regulation, Deregulation, and Innovation
• The three main influences on financial innovation are:
1) Economic environment
2) Technology
3) Regulation
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33 Financial Regulation, Deregulation, and Innovation
• Financial Innovations
• Variable interest rate mortgages
• Widespread credit card usage
• Rise in the importance of the Eurodollar
• Paying interest on checkable deposits
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34How Banks Create Money
• Reserves: Actual and Required
• The reserve ratio is the fraction of a bank’s total deposits that are held in reserves.
• The required reserve ratio is the ratio of reserves to deposits that banks are required, by regulation, to hold.
• Excess reserves are actual reserves minus required reserves.
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35How Banks Create Money
• Creating Deposits by Making loans in a One-Bank Economy
Let’s see an example of howbanks create money.
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36
Reserves $100 Deposits $400
Loans $300
Total $400 Total $400
Creating Money at theOne-and-Only Bank
Balance sheet on January 1
Assets(millions of dollars)
Liabilities(millions of dollars)
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37
Reserves $101 Deposits $401
Loans $300
Total $401 Total $401
Creating Money at theOne-and-Only Bank
Balance sheet on January 2
Assets(millions of dollars)
Liabilities(millions of dollars)
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38
Reserves $101 Deposits $404
Loans $303
Total $404 Total $404
Creating Money at theOne-and-Only Bank
Balance sheet on January 3
Assets(millions of dollars)
Liabilities(millions of dollars)
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39How Banks Create Money
• The Deposit Multiplier
reservesinChange
depositsinChangemultiplierDeposit
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40How Banks Create Money
• Creating Deposits by Making Loans with Many Banks
Let’s see how the
banking system creates money
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41The Multiple Creation
of Bank DepositsThe sequence The running tally
Deposit$100,000
Reserves Loans Deposits
$25,000
$75,000 $25,000
$75,000 $100,000Loan
$75,000
Deposit$75,000
Reserve$25,000
Loan$56,250
Reserve$18,750 $43,750 $131,250 $175,000
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42The Multiple Creation
of Bank DepositsThe sequence The running tally
Reserves Loans Deposits
Deposit$56,250
Loan$42,187
Reserve$14,063
Deposit$42,187
$43,750 $131,250 $175,000
$57,813 $173,437 $231,250
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43The Multiple Creation
of Bank DepositsThe sequence The running tally
Reserves Loans Deposits
$68,360 $205,077 $273,437
Loan$31,640
Reserve$10,547
andso on...
$100,000 $300,000 $400,000
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44How Banks Create Money
• The deposit multiplier in the United States differs from our model economy’s for three main reasons:
1) The actual required reserve ratio is smaller than the 25 percent used here.
2) Banks sometimes choose to hold excess reserves.
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45How Banks Create Money
• The deposit multiplier in the United States differs from our model economy’s for three main reasons:
3) Not all loans made by banks return to them in the form of reserves.
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46 Money, Real GDP, andthe Price Level
• We are going to study the effect the money supply has on real GDP, the price level, and the inflation rate.
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47 Money, Real GDP, andthe Price Level
• The Short-Run Effects of a Change in the Quantity of Money
• Let’s study how a change in the quantity of money effects these factors by examining the aggregate supply-aggregate demand model.
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48Short-Run Effects of
Change in Quantity of Money
Real GDP (trillions of 1992 dollars)
Pri
ce le
vel
(GD
P d
efla
tor,
199
2 =
100
)
100
110
130
140
AD0
6.6 7.0 7.2 7.6
120
107
6.8 7.4
LAS
SAS
AD1
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49Long-Run Effects of
Change in Quantity of Money
Real GDP (trillions of 1992 dollars)
Pri
ce le
vel
(GD
P d
efla
tor,
199
2 =
100
)
100
110
130
140
6.6 7.0 7.2 7.6
121
6.8 7.4
LAS
113
AD1
SAS1
AD2
SAS2
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50 Money, Real GDP, andthe Price Level
• The Quantity Theory of Money
• The quantity theory of money is the proposition that in the long run, an increase in the quantity of money brings an equal percentage increase in the price level.
• This theory is based upon the velocity of circulation and the equation of exchange.
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51 Money, Real GDP, andthe Price Level
• The Quantity Theory of Money
• The velocity of circulation is the average number of times a dollar of money is used annually to buy goods and services that make up GDP.
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52 Money, Real GDP, andthe Price Level
• The equation of exchange states that the quantity of money (M) multiplied by the velocity of circulation (V) equals GDP, or
MV=PY
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53 Money, Real GDP, andthe Price Level
• We can convert the equation of exchange into the quantity theory of money by making two assumptions:
1) The velocity of circulation is not influenced by the quantity of money.
2) Potential GDP is not influenced by the quantity of money.
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54 Money, Real GDP, andthe Price Level
• Assuming this is true, the equation of exchange tells us that a change in the quantity of money causes an equal proportional change in the price level.
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55 Money, Real GDP, andthe Price Level
• This equation shows that the proportionate change in the price level equals the proportionate change in the quantity of money.
• This gives us the quantity theory of money:
• In the long run, the percentage increase in the price level equals the percentage increase in the quantity of money.
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56 Money, Real GDP, andthe Price Level
• The AS-AD model predicts the same outcome as the quantity theory of money.
• It also predicts a less precise relationship between the quantity of money and the price level in the short run than in the long run.
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57 Money, Real GDP, andthe Price Level
• Historical Evidence on the Quantity Theory of Money
• The data are broadly consistent with the quantity theory of money, but the relationship is not precise.
• The relationship is stronger in the long run than in the short run.
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58 Money, Real GDP, andthe Price Level
• Correlation, Causation, and Other Influences
• The evidence shows that money growth and inflation are correlated.
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59 Money, Real GDP, andthe Price Level
• Correlation, Causation, and Other Influences
• This does not represent causation.• Does money growth cause inflation, or does
inflation cause money growth?
• Does some other factor cause inflation (deficit spending)?
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60
Monetary Policy
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