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Macro Chapter 13
Money and the Banking System
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6 Learning Goals1) List and describe the functions of money 2) Define the alternative measures of money and
distinguish between M1 and M23) Explain fractional reserve banking4) Investigate how banks create money by
extending loans5) List the tools used by the Fed to control the
money supply6) Analyze how those tools change the money
supply
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What is Money?
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Imagine a world without money
No currency, no coins, no checking deposits
How would you be able to obtain stuff?
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One way would be to barter-trade one good for another
Problem: double coincidence of wants
Watch video (illustration of barter working well): Book of Eli-barter exchange
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Watch video (illustration of barter not working well): Planes, Trains and Automobiles- barter exchange
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Money adds enormous efficiency gains to our economy
Without money, the double coincidence of wants would make our economy a fraction of what it is today
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Q13.1 If money were not used as a medium of exchange,
1. the gains from trade would be severely limited.
2. our standard of living would probably improve.
3. the transaction costs of exchange would be lower.
4. economic efficiency would increase.
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Why do private persons in private transactions accept money?
“The short answer is that each person accepts them because he is confident that others will. The pieces of green paper have value because everybody thinks they have value. Everybody thinks they have value because in his experience they have had value.” (Milton Friedman, Free to Choose)
Value of money rests on a fiction
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The Business of Banking
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Watch video (brief explanation of how banks operate): It’s a Wonderful Life-bank run
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Q13.2 If you have a checking account at a local bank, your bank account there is
1. an asset to the bank and an asset to you.
2. a liability of the bank and a liability of yours.
3. a liability of the bank and an asset to you.
4. an asset to the bank and a liability of yours.
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Typical assets and liabilities of banks:
Assets:– Vault cash– Reserves at the Fed– Loans to customers– Bonds (i.e. securities)
Liabilities:– Checking deposits– Savings deposits– Borrowings
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How Banks Create Money by Extending
Loans
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Here’s how excess reserves are used to “create” money:
See files “deposit creation.pdf” and “deposit multiplier.pdf” on BB
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Key points:(1) Banks are required to keep a portion of their deposits as reserves at the Federal Reserve Bank– These are required reserves– Roughly equal to 10% of deposits
(2) Banks may keep or loan out additional reserves – These are excess reserves– Excess reserves earn interest from the
Federal Reserve, so the bank must decide where it’s earning the biggest return- by loaning them out or by keeping them with the Fed
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Q13.3 Suppose you withdraw $1,000 from your checking account. If the reserve requirement is 20 percent, how does this transaction affect the supply of money and the excess reserves of your bank?
1. There is no change in the supply of money; your bank's excess reserves are reduced by $800.
2. There is no change in the supply of money; your bank's excess reserves are reduced by $200.
3. The money supply increases by $1,000, and the excess reserves of your bank are reduced by $800.
4. The money supply increases by $1,000, and the excess reserves of your bank are reduced by $200.
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Q13.4 (MA) Suppose you deposit $1,000 into your checking account. If the reserve requirement is 10 percent, what impact does this transaction have?
1. The money supply increases
2. The money supply remains the same
3. The bank’s required reserves increase by $100
4. The bank’s required reserves decrease by $100
5. The bank’s required reserves increase by $900
6. The bank can make new loans of $900
7. The bank can make new loans of $1,000
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The Federal Reserve System
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Four tools of the Fed to control the money supply:
1) Reserve requirements
2) Open Market Operations
3) Extend loans
4) Interest paid on excess reserves
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Expansionary Monetary Policy:
Buy securities (i.e. bonds, Treasury or other)
Extend more loans
Reduce the interest rate paid on reserves
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Restrictive Monetary Policy:
Sell securities (i.e. bonds, Treasury or other)
Extend fewer loans
Increase the interest rate paid on reserves
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Q13.5 If the Fed lends to member banks, what happens to reserves and the money supply?
1. Reserves increase and the money supply decreases.
2. Both increase.
3. Reserves decrease and the money supply increases.
4. Both decrease.
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Open market operations is the key tool the Fed uses
Open market operations is the buying and selling of bonds, usually US Treasury securities
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Let’s see how this works:
Create the following three T accounts
Watch content video: Macro Chapter 13-money multiplier
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Assets Liabilities + Net Worth
Bank: (make up your own name)
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Suppose the Fed buys $100 of bonds
Two-step process
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Assets Liabilities + Net Worth
Required Reserves Deposits
Excess Reserves
Bonds Net Worth
Loans
Total Total
Step 1: The bond transaction
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Assets Liabilities + Net Worth
Required Reserves Deposits
Excess Reserves
Bonds Net Worth
Loans
Total Total
Step 2: The actions of the bank
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Results:
New excess reserves at your bank = $100
Impact on money supply = $100 / 0.10 =
$1,000
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Q13.6 (MA) When the Fed sells Treasury Bonds on the open market, it will tend to
1. increase the money supply
2. decrease the money supply
3. increase interest rates
4. decrease interest rates
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Q13.7 (MA) When the Fed buys Treasury Bonds on the open market, it will tend to
1. increase the money supply
2. decrease the money supply
3. increase interest rates
4. decrease interest rates
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Question Answers:
13.1 = 1
13.2 = 3
13.3 = 1
13.4 = 2, 3 & 6
13.5 = 2
13.6 = 2 & 3
13.7 = 1 & 4