Chapter 13alguner/ISLE312DERSNOTLARI/... · Chapter 13 Multiple Deposit Creation and ... •...
Transcript of Chapter 13alguner/ISLE312DERSNOTLARI/... · Chapter 13 Multiple Deposit Creation and ... •...
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Chapter 13
Multiple DepositCreation andthe MoneySupply Process
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Players in the Money Supply Process
• Central bank (Federal Reserve System)
• Banks (depository institutions; financialintermediaries)
• Depositors (individuals and institutions)
• Borrowers (individuals and institutions)
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Fed’s Balance Sheet
• Monetary Liabilities
Currency in circulation—in the hands of the public
Reserves—bank deposits at the Fed and vault cash
• Assets
Government securities—holdings by the Fed that affectmoney supply and earn interest
Discount loans—provide reserves to banks and earn thediscount rate
Currency in circulationGovernment securities
ReservesDiscount loans
LiabilitiesAssets
Federal Reserve System
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Monetary Base
High-powered money
= +
= currency in circulation
= total reserves in the banking system
MB C R
C
R
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Open Market Purchase from a Bank
• Net result is that reserves have increasedby $100
• No change in currency
• Monetary base has risen by $100
+$100Reserves
+$100Reserves+$100Securities-$100Securities
LiabilitiesAssetsLiabilitiesAssets
Federal Reserve SystemBanking System
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Open Market Purchase fromNonbank Public I
• Person selling bonds to the Fed deposits theFed’s check in the bank
• Identical result as the purchase from a bank
+$100Reserves+$100Securities+$100Checkabledeposits
+$100Reserves
LiabilitiesAssetsLiabilitiesAssets
Federal Reserve SystemBanking System
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Open Market Purchase fromNonbank Public II
• The person selling the bonds cashes the Fed’s check
• Reserves are unchanged
• Currency in circulation increases by the amount of theopen market purchase
• Monetary base increases by the amount of the openmarket purchase
+$100Currency
+$100Currency incirculation
+$100Securities-$100Securities
LiabilitiesAssetsLiabilitiesAssets
Federal Reserve SystemNonbank Public
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Open Market Purchase: Summary
• The effect of an open market purchaseon reserves depends on whether theseller of the bonds keeps the proceedsfrom the sale in currency or in deposits
• The effect of an open market purchaseon the monetary base always increasesthe base by the amount of the purchase
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Open Market Sale
• Reduces the monetary base by the amount of the sale
• Reserves remain unchanged
• The effect of open market operations on the monetarybase is much more certain than the effect on reserves
-$100Currency
-$100Currency incirculation
-$100Securities+$100Securities
LiabilitiesAssetsLiabilitiesAssets
Federal Reserve SystemNonbank Public
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Shifts from Deposits into Currency
Net effect
on monetary liabilities
is zero
Reserves are changed
by random fluctuations
Monetary base
is a more stable variable
-$100Currency
-$100Checkabledeposits
+$100Reserves+$100Checkabledeposits
LiabilitiesAssetsLiabilitiesAssets
Banking SystemNonbank Public
+$100Currency incirculation
-$100Reserves
LiabilitiesAssets
Federal Reserve System
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Making a Discount Loan to a Bank
• Monetary liabilities of the Fed have increasedby $100
• Monetary base also increases by this amount
(borrowing fromFed)
(borrowing fromFed)
+$100Reserves+$100Discountloan
+$100Discountloans
+$100Reserves
LiabilitiesAssetsLiabilitiesAssets
Federal Reserve SystemBanking System
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Paying Offa Discount Loan from the Fed
• Net effect on monetary base is a reduction
• Monetary base changes one-for-one with achange in the borrowings from the FederalReserve System
(borrowing fromFed)
(borrowing fromFed)
-$100Reserves-$100Discountloans
-$100Discountloans
-$100Reserves
LiabilitiesAssetsLiabilitiesAssets
Federal Reserve SystemBanking System
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Other FactorsAffecting the Monetary Base
• Float
• Treasury deposits at theFederal Reserve
• Interventions in the foreignexchange market
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Deposit Creation: Single Bank
Excess reserves increase
Bank loans out the excess reserves
Creates a checking account
Borrower makes purchases
The money supply has increased
+$100Reserves+$100Reserves
+$100Loans
+$100Checkabledeposits
-$100Securities-$100Securities
LiabilitiesAssetsLiabilitiesAssets
First National BankFirst National Bank
-$100Securities
+$100Loans
LiabilitiesAssets
First National Bank
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Deposit Creation:The Banking System
Bank BBank B
LiabilitiesAssetsLiabilitiesAssets
+$90Checkabledeposits
+$9Reserves+$90Checkabledeposits
+$90Reserves
+$81Loans
+$100Checkabledeposits
+$10Reserves+$100Checkabledeposits
+$100Reserves
+$90Loans
LiabilitiesAssetsLiabilitiesAssets
Bank ABank A
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The Formula for Multiple Deposit Creation
Assuming banks do not hold excess reserves
Required Reserves ( ) = Total Reserves ( )
= Required Reserve Ratio ( ) times the total amount
of checkable deposits ( )
Substituting
=
Dividing both s
RR R
RR r
D
r D R
ides by
1 =
Taking the change in both sides yields
1 =
r
D Rr
D Rr
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Critique of the Simple Model
• Holding cash stops the process
• Banks may not use all of their excessreserves to buy securities or make loans