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Saving, Investment, and the Financial System Chapter 25 Copyright © 2001 by Harcourt, Inc. All rights reserved. Requests for permission to make copies.

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Presentation on theme: "Saving, Investment, and the Financial System Chapter 25 Copyright © 2001 by Harcourt, Inc. All rights reserved. Requests for permission to make copies."— Presentation transcript:

1 Saving, Investment, and the Financial System Chapter 25 Copyright © 2001 by Harcourt, Inc. All rights reserved. Requests for permission to make copies of any part of the work should be mailed to: Permissions Department, Harcourt College Publishers, 6277 Sea Harbor Drive, Orlando, Florida 32887-6777.

2 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Financial System u The financial system consists of institutions that help to match one person’s saving with another person’s investment. u It moves the economy’s scarce resources from savers to borrowers.

3 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Financial Institutions in the U.S. Economy u The financial system is made up of financial institutions that coordinate the actions of savers and borrowers. u Financial institutions can be grouped into two different categories: financial markets and financial intermediaries.

4 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Financial Institutions in the U.S. Economy u Financial Markets u Stock Market u Bond Market u Financial Intermediaries u Banks u Mutual Funds

5 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Financial Institutions in the U.S. Economy u Financial markets are the institutions through which savers can directly provide funds to borrowers. u Financial intermediaries are financial institutions through which savers can indirectly provide funds to borrowers.

6 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Bond Market A bond is a certificate of indebtedness that specifies obligations of the borrower to the holder of the bond. IOU

7 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Characteristics of a Bond u Term: The length of time until the bond matures. u Credit Risk: The probability that the borrower will fail to pay some of the interest or principal. u Tax Treatment: The way in which the tax laws treat the interest on the bond. u Municipal bonds are federal tax exempt.

8 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. u Stock represents ownership in a firm and is therefore, a claim to the profits that the firm makes. u The sale of stock to raise money is called equity financing. u Compared to bonds, stocks offer both higher risk and potentially higher returns. The Stock Market

9 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Stock Market The most important stock exchanges in the United States are the New York Stock Exchange, the American Stock Exchange, and NASDAQ.

10 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Stock Market Most newspaper stock tables provide the following information: u Price (of a share) u Volume (number of shares sold) u Dividend (profits paid to stockholders) u Price-earnings ratio

11 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Financial Intermediaries: Banks u Banks take deposits from people who want to save and use the deposits to make loans to people who want to borrow. u Banks pay depositors interest on their deposits and charge borrowers slightly higher interest on their loans.

12 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Banks u Banks help create a medium of exchange by allowing people to write checks against their deposits. u A medium of exchanges is an item that people can easily use to engage in transactions. u This facilitates the purchases of goods and services.

13 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Financial Intermediaries: Mutual Funds u A mutual fund is an institution that sells shares to the public and uses the proceeds to buy a selection, or portfolio, of various types of stocks, bonds, or both. u They allow people with small amounts of money to easily diversify.

14 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Other Financial Institutions u Credit unions u Pension funds u Insurance companies u Loan sharks

15 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Saving and Investment in the National Income Accounts Recall that GDP is both total income in an economy and total expenditure on the economy’s output of goods and services: Y = C + I + G + NX

16 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Some Important Identities Assume a closed economy – one that does not engage in international trade: Y = C + I + G

17 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Some Important Identities  Now, subtract C and G from both sides of the equation: Y – C – G =I  The left side of the equation is the total income in the economy after paying for consumption and government purchases and is called national saving, or just saving (S).

18 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Some Important Identities  Substituting S for Y-C-G, the equation can be written as: S = I

19 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Some Important Identities u National saving, or saving, is equal to: S = I S = Y – C – G S = (Y – T – C) + (T – G)

20 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Private Saving u Private saving is the amount of income that households have left after paying their taxes and paying for their consumption. Private saving = (Y – T – C)

21 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Public Saving u Public saving is the amount of tax revenue that the government has left after paying for its spending. Public saving = (T – G)

22 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Surplus and Deficit  If T>G, the government runs a budget surplus because it receives more money than it spends.  The surplus of T-G represents public saving.  If G>T, the government runs a budget deficit because it spends more money than it receives in tax revenue.

23 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Saving and Investment u For the economy as a whole, saving must be equal to investment. S = I

24 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Market for Loanable Funds Financial markets coordinate the economy’s saving and investment in the market for loanable funds.

25 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Market for Loanable Funds Loanable funds refers to all income that people have chosen to save and lend out, rather than use for their own consumption.

26 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. u The supply of loanable funds comes from people who have extra income they want to save and lend out. u The demand for loanable funds comes from households and firms that wish to borrow to make investments. Supply and Demand for Loanable Funds

27 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. u The interest rate is the price of the loan. u It represents the amount that borrowers pay for loans and the amount that lenders receive on their saving. u The interest rate in the market for loanable funds is the real interest rate. Supply and Demand for Loanable Funds

28 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Supply and Demand for Loanable Funds u Financial markets work much like other markets in the economy. u The equilibrium of the supply and demand for loanable funds determines the real interest rate.

29 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Loanable Funds (in billions of dollars) 0 Interest Rate Demand Supply 5% $1,200 Market for Loanable Funds...

30 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Government Policies That Affect Saving and Investment u Taxes and saving u Taxes and investment u Government budget deficits

31 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Taxes and Saving Taxes on interest income substantially reduce the future payoff from current saving and, as a result, reduce the incentive to save.

32 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Taxes and Saving u A tax decrease increases the incentive for households to save at any given interest rate. u The supply of loanable funds curve shifts to the right. u The equilibrium interest rate decreases. u The quantity demanded for loanable funds increases.

33 S2S2 1. Tax incentives for saving increase the supply of loanable funds... An Increase in the Supply of Loanable Funds... Loanable Funds (in billions of dollars) 0 Interest Rate 5% Supply, S 1 $1,200 Demand $1,600 3....and raises the equilibrium quantity of loanable funds. 4% 2....which reduces the equilibrium interest rate... Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc.

34 Taxes and Saving If a change in tax law encourages greater saving, the result will be lower interest rates and greater investment.

35 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Taxes and Investment u An investment tax credit increases the incentive to borrow. u Increases the demand for loanable funds. u Shifts the demand curve to the right. u Results in a higher interest rate and a greater quantity saved.

36 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Taxes and Investment If a change in tax laws encourages greater investment, the result will be higher interest rates and greater saving.

37 An Increase in the Demand for Loanable Funds... Loanable Funds (in billions of dollars) 0 Interest Rate 5% $1,200 Supply Demand, D 1 1. An investment tax credit increases the demand for loanable funds... D2D2 6% 2....which raises the equilibrium interest rate... $1,400 3....and raises the equilibrium quantity of loanable funds. Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc.

38 Government Budget Deficits and Surpluses u When the government spends more than it receives in tax revenues, the short fall is called the budget deficit. u The accumulation of past budget deficits is called the government debt.

39 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Government Budget Deficits and Surpluses u Government borrowing to finance its budget deficit reduces the supply of loanable funds available to finance investment by households and firms. u This fall in investment is referred to as crowding out. u The deficit borrowing crowds out private borrowers who are trying to finance investments.

40 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Government Budget Deficits and Surpluses u A budget deficit decreases the supply of loanable funds. u Shifts the supply curve to the left. u Increases the equilibrium interest rate. u Reduces the equilibrium quantity of loanable funds.

41 S2S2 1. A budget deficit decreases the supply of loanable funds... The Effect of a Government Budget Deficit... Loanable Funds (in billions of dollars) 0 Interest Rate $1,200 Supply, S 1 Demand 5% $800 3....and reduces the equilibrium quantity of loanable funds. 2....which raises the equilibrium interest rate... 6% Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc.

42 Government Budget Deficits and Surpluses When government reduces national saving by running a deficit, the interest rate rises and investment falls.

43 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Government Budget Deficits and Surpluses A budget surplus increases the supply of loanable funds, reduces the interest rate, and stimulates investment.

44 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The U.S. Government Debt 0 20 40 60 80 100 19501955196019651970197519801985199020001995 U.S. government debt

45 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Summary u The U.S. financial system is made up of financial institutions such as the bond market, the stock market, banks, and mutual funds. u All these institutions act to direct the resources of households who want to save some of their income into the hands of households and firms who want to borrow.

46 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Summary u National income accounting identities reveal some important relationships among macroeconomic variables. u In particular, in a closed economy, national saving must equal investment. u Financial institutions attempt to match one person’s saving with another person’s investment.

47 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Summary u The interest rate is determined by the supply and demand for loanable funds. u The supply of loanable funds comes from households who want to save some of their income. u The demand for loanable funds comes from households and firms who want to borrow for investment.

48 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Summary u National saving equals private saving plus public saving. u A government budget deficit represents negative public saving and, therefore, reduces national saving and the supply of loanable funds. u When a government budget deficit crowds out investment, it reduces the growth of productivity and GDP.

49 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Graphical Review

50 Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Loanable Funds (in billions of dollars) 0 Interest Rate Demand Supply 5% $1,200 Market for Loanable Funds...

51 An Increase in the Supply of Loanable Funds... S2S2 1. Tax incentives for saving increase the supply of loanable funds... Loanable Funds (in billions of dollars) 0 Interest Rate 5% Supply, S 1 $1,200 Demand $1,600 3....and raises the equilibrium quantity of loanable funds. 4% 2....which reduces the equilibrium interest rate... Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc.

52 An Increase in the Demand for Loanable Funds... Loanable Funds (in billions of dollars) 0 Interest Rate 5% $1,200 Supply Demand, D 1 1. An investment tax credit increases the demand for loanable funds... D2D2 6% 2....which raises the equilibrium interest rate... $1,400 3....and raises the equilibrium quantity of loanable funds. Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc.

53 The Effect of a Government Budget Deficit... S2S2 1. A budget deficit decreases the supply of loanable funds... Loanable Funds (in billions of dollars) 0 Interest Rate $1,200 Supply, S 1 Demand 5% $800 3....and reduces the equilibrium quantity of loanable funds. 2....which raises the equilibrium interest rate... 6% Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc.

54 The U.S. Government Debt 0 20 40 60 80 100 19501955196019651970197519801985199020001995 U.S. government debt


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