11- 1 McGraw Hill/Irwin Copyright © 2009 by The McGraw-Hill Companies, Inc. All rights reserved Fundamentals of Corporate Finance Sixth Edition Richard A. Brealey Stewart C. Myers Alan J. Marcus Slides by Matthew Will Chapter 10 McGraw Hill/Irwin Copyright © 2009 by The McGraw-Hill Companies, Inc. All rights reserved Introduction to Risk, Return, and the Opportunity Cost of Capital
11- 2 Topics Covered Rates of Return: A Review A Century of Capital Market History Measuring Risk Risk & Diversification Thinking About Risk
11- 3 Rates of Return
11- 4 Rates of Return
11- 5 Rates of Return
11- 6 Rates of Return Nominal vs. Real
11- 7 Market Indexes Dow Jones Industrial Average (The Dow) Value of a portfolio holding one share in each of 30 large industrial firms. Standard & Poor’s Composite Index (The S&P 500) Value of a portfolio holding shares in 500 firms. Holdings are proportional to the number of shares in the issues.
11- 8 The Value of an Investment of $1 in 1900 Source: Ibbotson Associates Index Year Start $22,745 $192 $
11- 9 Rates of Return Common Stocks ( ) 2007
Expected Return
Country Risk Premia (%)
Measuring Risk Variance - Average value of squared deviations from mean. A measure of volatility. Standard Deviation - Average value of squared deviations from mean. A measure of volatility.
Measuring Risk Coin Toss Game-calculating variance and standard deviation
Histogram of Returns Return, percent Number of Years
Risk and Diversification Diversification - Strategy designed to reduce risk by spreading the portfolio across many investments. Unique Risk - Risk factors affecting only that firm. Also called “diversifiable risk.” Market Risk - Economy-wide sources of risk that affect the overall stock market. Also called “systematic risk.”
Risk and Diversification
Risk and Diversification
Stock Market Volatility Std Dev 2007
The Value of Investments Value (August 2004 = 100)
Risk and Diversification
Risk and Diversification
Thinking About Risk Message 1 Some Risks Look Big and Dangerous but Really Are Diversifiable Message 2 Market Risks Are Macro Risks Message 3 Risk Can Be Measured
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