chapter 3 what is money?. © 2013 pearson education, inc. all rights reserved.3-2 meaning of money...
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Chapter 3
What Is Money?
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© 2013 Pearson Education, Inc. All rights reserved. 3-2
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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© 2013 Pearson Education, Inc. All rights reserved. 3-3
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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© 2013 Pearson Education, Inc. All rights reserved. 3-5
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.
• Commodity
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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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© 2013 Pearson Education, Inc. All rights reserved. 3-8
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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© 2013 Pearson Education, Inc. All rights reserved. 3-9
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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© 2013 Pearson Education, Inc. All rights reserved. 3-10
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
Currency
Traveler’s Checks
Demand Deposits
Other Check. Dep
M1 (4)M2 (4+3)
M3 (4+3+4)
Small Den. Dep.
Savings and MM
Money Market Mutual Funds Shares
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© 2013 Pearson Education, Inc. All rights reserved. 3-13
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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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
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Copyright © 2010 Pearson Addison-Wesley. All rights reserved.3-15
Glossary
• Debit cards: enable consumers to purchase goods and services by electronically transferring funds directly from their bank accounts to a merchant’s account. ATM card typically can function as a debit card.
• Stored-value card: is purchased for a preset dollar amount that the consumer pays up front, like a prepaid phone card.
• Smart card: it contains a computer chip that allows it to be loaded with digital cash from the owner’s bank account whenever needed.
• E-cash: is used on the Internet to purchase goods or services. A consumer gets e-cash by setting up an account with a bank that has links to the Internet and then has the e-cash transferred to her PC.