Содержание
- 2. 11.1 Factor Models: Announcements, Surprises, and Expected Returns The return on any security consists of two
- 3. 11.1 Factor Models: Announcements, Surprises, and Expected Returns A way to write the return on a
- 4. 11.1 Factor Models: Announcements, Surprises, and Expected Returns Any announcement can be broken down into two
- 5. 11.2 Risk: Systematic and Unsystematic A systematic risk is any risk that affects a large number
- 6. 11.2 Risk: Systematic and Unsystematic Systematic Risk; m Nonsystematic Risk; ε n σ Total risk; U
- 7. 11.2 Risk: Systematic and Unsystematic Systematic risk is referred to as market risk. m influences all
- 8. 11.3 Systematic Risk and Betas The beta coefficient, β, tells us the response of the stock’s
- 9. 11.3 Systematic Risk and Betas For example, suppose we have identified three systematic risks on which
- 10. Systematic Risk and Betas: Example Suppose we have made the following estimates: βI = -2.30 βGDP
- 11. Systematic Risk and Betas: Example We must decide what surprises took place in the systematic factors.
- 12. Systematic Risk and Betas: Example If it was the case that the rate of GDP growth
- 13. Systematic Risk and Betas: Example If it was the case that dollar-pound spot exchange rate, S($,£),
- 14. Systematic Risk and Betas: Example Finally, if it was the case that the expected return on
- 15. 11.4 Portfolios and Factor Models Now let us consider what happens to portfolios of stocks when
- 16. Relationship Between the Return on the Common Factor & Excess Return Excess return The return on
- 17. Relationship Between the Return on the Common Factor & Excess Return Excess return The return on
- 18. Relationship Between the Return on the Common Factor & Excess Return Excess return The return on
- 19. Portfolios and Diversification We know that the portfolio return is the weighted average of the returns
- 20. Portfolios and Diversification The return on any portfolio is determined by three sets of parameters: In
- 21. Portfolios and Diversification So the return on a diversified portfolio is determined by two sets of
- 22. 11.5 Betas and Expected Returns The return on a diversified portfolio is the sum of the
- 23. Relationship Between β & Expected Return The relevant risk in large and well-diversified portfolios is all
- 24. Relationship Between β & Expected Return Expected return β A B C D SML
- 25. 11.6 The Capital Asset Pricing Model and the Arbitrage Pricing Theory APT applies to well diversified
- 26. Multi-factor APT Example: A Canadian study (Otuteye, CIR 1991) with five factors: the rate of growth
- 27. 11.7 Empirical Approaches to Asset Pricing Both the CAPM and APT are risk-based models. There are
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