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Corporate Finance Ross  Westerfield  Jaffe

The Capital Asset Pricing Model (CAPM). Corporate Finance Ross  Westerfield  Jaffe. Sixth Edition. Chapter Outline. 10.1 Individual Securities 10.2 Expected Return, Variance, and Covariance 10.3 The Return and Risk for Portfolios 10.4 The Efficient Set for Two Assets

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Corporate Finance Ross  Westerfield  Jaffe

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  1. The Capital Asset Pricing Model (CAPM) Corporate Finance Ross Westerfield  Jaffe Sixth Edition

  2. Chapter Outline 10.1 Individual Securities 10.2 Expected Return, Variance, and Covariance 10.3 The Return and Risk for Portfolios 10.4 The Efficient Set for Two Assets 10.5 The Efficient Set for Many Securities 10.6 Diversification: An Example 10.7 Riskless Borrowing and Lending 10.8 Market Equilibrium 10.9 Relationship between Risk and Expected Return (CAPM) 10.10 Summary and Conclusions

  3. 10.1 Individual Securities • The characteristics of individual securities that are of interest are the: • Expected Return • Variance and Standard Deviation • Covariance and Correlation

  4. 10.2 Expected Return, Variance, and Covariance Consider the following two risky asset worlds. There is a 1/3 chance of each state of the economy and the only assets are a stock fund and a bond fund.

  5. 10.2 Expected Return, Variance, and Covariance

  6. 10.2 Expected Return, Variance, and Covariance

  7. 10.2 Expected Return, Variance, and Covariance

  8. 10.2 Expected Return, Variance, and Covariance

  9. 10.2 Expected Return, Variance, and Covariance

  10. 10.2 Expected Return, Variance, and Covariance

  11. 10.2 Expected Return, Variance, and Covariance

  12. 10.2 Expected Return, Variance, and Covariance

  13. 10.3 The Return and Risk for Portfolios Note that stocks have a higher expected return than bonds and higher risk. Let us turn now to the risk-return tradeoff of a portfolio that is 50% invested in bonds and 50% invested in stocks.

  14. 10.3 The Return and Risk for Portfolios The rate of return on the portfolio is a weighted average of the returns on the stocks and bonds in the portfolio:

  15. 10.3 The Return and Risk for Portfolios The rate of return on the portfolio is a weighted average of the returns on the stocks and bonds in the portfolio:

  16. 10.3 The Return and Risk for Portfolios The rate of return on the portfolio is a weighted average of the returns on the stocks and bonds in the portfolio:

  17. 10.3 The Return and Risk for Portfolios The expected rate of return on the portfolio is a weighted average of the expected returns on the securities in the portfolio.

  18. 10.3 The Return and Risk for Portfolios The variance of the rate of return on the two risky assets portfolio is where BS is the correlation coefficient between the returns on the stock and bond funds.

  19. 10.3 The Return and Risk for Portfolios Observe the decrease in risk that diversification offers. An equally weighted portfolio (50% in stocks and 50% in bonds) has less risk than stocks or bonds held in isolation.

  20. 10.4 The Efficient Set for Two Assets 100% stocks 100% bonds We can consider other portfolio weights besides 50% in stocks and 50% in bonds …

  21. 10.4 The Efficient Set for Two Assets 100% stocks 100% bonds We can consider other portfolio weights besides 50% in stocks and 50% in bonds …

  22. 10.4 The Efficient Set for Two Assets 100% stocks 100% bonds Note that some portfolios are “better” than others. They have higher returns for the same level of risk or less. These compromise the efficient frontier.

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