Theory and Money Institution Chp 3
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Transcript of Theory and Money Institution Chp 3
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Chapter 3
What Is Money?
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Meaning of Money
• What is it?• Money (or the “money supply”): anything
that is generally accepted in payment for goods or services or in the repayment of debts.
• A rather broad definition
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Meaning of Money (cont’d)
• Money (a stock concept) is different from:• Wealth: the total collection of pieces of
property that serve to store value• Income: flow of earnings per unit of time
(a flow concept)
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Functions of Money
• Medium of Exchange: – Eliminates the trouble of finding a double
coincidence of needs (reduces transaction costs)– Promotes specialization
• A medium of exchange must– be easily standardized– be widely accepted– be divisible– be easy to carry– not deteriorate quickly
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Functions of Money (cont’d)
• Unit of Account: – used to measure value in the economy– reduces transaction costs
• Store of Value: – used to save purchasing power over time.– other assets also serve this function – Money is the most liquid of all assets but loses
value during inflation
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Evolution of the Payments System
• Commodity Money: valuable, easily standardized and divisible commodities (e.g. precious metals, cigarettes).
• Fiat Money: paper money decreed by governments as legal tender.
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Evolution of the Payments System (cont’d)
• Checks: an instruction to your bank to transfer money from your account
• Electronic Payment (e.g. online bill pay).• E-Money (electronic money):
– Debit card– Stored-value card (smart card)– E-cash
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FYI Are We Headed for a Cashless Society?
• Predictions of a cashless society have been around for decades, but they have not come to fruition
• Although e-money might be more convenient and efficient than a payments system based on paper, several factors work against the disappearance of the paper system
• Still, the use of e-money will likely still increase in the future
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Measuring Money
• How do we measure money? Which particular assets can be called “money”?
• Construct monetary aggregates using the concept of liquidity:
• M1 (most liquid assets) = currency + traveler’s checks + demand deposits + other checkable deposits.
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Measuring Money (cont’d)
• M2 (adds to M1 other assets that are not so liquid) = M1 + small denomination time deposits + savings deposits and money market deposit accounts + money market mutual fund shares.
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Table 1 Measures of the Monetary Aggregates
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Monetary Aggregates
CurrencyTraveler’s ChecksDemand DepositsOther Check. Dep
M1 (4) M2 (4+3)
M3 (4+3+4)
Small Den. Dep.Savings and MMMoney Market Mutual Funds Shares
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M1 vs. M2
• Does it matter which measure of money is considered?
• M1 and M2 can move in different directions in the short run (see figure).
• Conclusion: the choice of monetary aggregate is important for policymakers.
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FYI Where Are All the U.S. Dollars?
• The more than $2,000 of U.S. currency held per person in the United States is a surprisingly large number
• Where are all these dollars and who is holding them?– Criminals– Foreigners
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Figure 1 Growth Rates of the M1 and M2 Aggregates, 1960–2011
Sources: Federal Reserve Economic Database (FRED); Federal Reserve Bank of Saint Louis; http://research.stlouisfed.org/fred2/categories/25