chapter 13 multiple deposit creation and the money supply process
DESCRIPTION
Econ 248, By Dr.AlwosabiTRANSCRIPT
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CHAPTER 13
Multiple Deposit Creation and the Money Supply Process
Dr. Mohammed Alwosabi
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Money Supply (MS) Process• Money supply (MS) process refers to the
mechanism that determines the money supply.
• It refers to the implementation of monetary policy.
• It is important to understand the MS Process to understand exactly how open market operations (OMOs) change the money supply, and thereby affect the economy (interest rates, inflation, output, employment, money, etc.)
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• The majority of money (M1) is in the form of deposits.
• Therefore, we want to understand how the banking system creates deposits, and in the process, creates money.
• The central bank is a key player in the money supply process but not the only player.
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Four Players in the Money Supply Process:1. Central Bank (CB): Most important player
since it ultimately controls the supply of money in the economy.
2. Commercial banks: Depository institutions that accept deposits and make loans.
3. Depositors: Bank customers (individuals, companies and institutions holding bank deposits - checking and savings accounts.
4. Borrowers from banks: Individuals and companies who borrow money from banks.
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• The Central Bank's Balance Sheet (BS) and the Monetary Base (MB):
• In this simplified version of the Central bank’s BS, we will focus on only 4 items to see how they affect the economy’s money supply.
Central Bank’s Simplified BSAssets Liability
Government securities Currency in circulationDiscount loans Reserves
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Assets1. Government securities: The CB holds
government securities (Treasury bills, bonds, notes) for two reasons: (i) buying and selling of government securities is one of the CB’s major tool (known as OMO) in controlling the economy’s money supply, and (ii) holding government securities provides a return.
2. Discount loans: The CB makes loans to banks through its discount window operation. The CB does not encourage banks from borrowing through its discount window on a regular basis since the CB is acting as a lender of last resort for the banks.
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Liabilities1. Currency in circulation (C): Cash in the
hands of the public, outside the banking system. They are basically IOUs from the government issued by the CB like a govt. bonds, but pays zero interest. Currency is a liability of the CB, because a BD20 bill could be redeemed for 2 tens, or 4 fives, etc; or if it is worn out, banks can redeem it for a new BD20 bill
2. Reserves (R): All banks have to keep a certain percentage of the deposits as the reserve requirements established by the CB. The banks do so in two ways:
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• (a) All member banks are required to open an account with the CB and they can maintain their reserves by making a deposit into that account.
• (b) The banks can keep cash in the banks’vaults.
• Reserves are a liability of the CB, an asset for commercial banks.
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• We can further break that reserve into two components:
• (i) Required reserve (RR): This is the amount of money a bank needs to keep by law. This is determined by the reserve requirement ratio (expressed as a percentage of a bank’s total deposit) set by the CB.
• (ii) Excess reserve (ER): This is the additional amount of money a bank chooses to hold for liquidity reason.
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• These two liabilities of the CB are called the Monetary Base (MB).
• MB = currency in hands of public + reserves of banking systemMB = C + R
• MB is also called High-powered Money, or M0.
• It is called high-powered because an increase in the MB leads to a multiple increase in the MS (M1 or M2).
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• CB directly controls the monetary base by increasing or decreasing government securities and thereby increasing or decreasing bank reserves and/or currency.
• If they purchase a Treasury bill for BD100, it increases assets by BD100 and liabilities by BD100.
• By increasing bank reserves by $100, the MS is increased.
• Monetary policy works by affecting the CB's balance sheet.
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Control of the Monetary Base (MB)• OMOs always affect MB, one to one.
(OMO = MB) and ( MB = R + C)• A BD100 OMO always increases MB by
BD100 • However, whether the OMO increases R or
C depends on the public's willingness to hold cash, which depends on MD.
• This mean that although OMOs always affect MB it is not always affecting reserves.
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• Also, when the CB increases the monetary base (MB) by supplying the banking system with BD1 of additional reserves, deposits (D) and M1 increase by a multiple greater than 1, a process called multiple deposit creation.
• When the CB wants to increase the MS, it engages in an open market purchase of government securities from the public and adds them to its portfolio.
• For contractionary (restrictive) policy, it engages in an open market sale of government securities from its portfolio to the public.
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