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chap011 - Chapter 11 An Alternative View of Risk and Return...

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q * Chapter 11: An Alternative View of Risk and Return: The Arbitrage Pricing Theory 11.1 Real GNP was higher than anticipated. Since returns are positively related to the level of GNP, returns should rise based on this factor. Inflation was exactly the amount anticipated. Since there was no surprise in this announcement, it will not affect Lewis-Striden returns. Interest Rates are lower than anticipated. Since returns are negatively related to interest rates, the lower than expected rate is good news. Returns should rise due to interest rates. The President’s death is bad news. Although the president was expected to retire, his retirement would not be effective for six months. During that period he would still contribute to the firm. His untimely death mean that those contributions would not be made. Since he was generally considered an asset to the firm, his death will cause returns to fall. The poor research results are also bad news. Since Lewis-Striden must continue to test the drug as early as expected. The delay will affect expected future earnings, and thus it will dampen returns now. The research breakthrough is positive news for Lewis Striden. Since it was unexpected, it will cause returns to rise. The competitor’s announcement is also unexpected, but it is not a welcome surprise. this announcement will lower the returns on Lewis-Striden. Systematic risk is risk that cannot be diversified away through formation of a portfolio. Generally, systematic risk factors are those factors that affect a large number of firms in the market. Note those factors do not have to equally affect the firms. The systematic factors in the list are real GNP, inflation and interest rates. Unsystematic risk is the type of risk that can be diversified away through portfolio formation. Unsystematic risk factors are specific to the firm or industry. Surprises in these factors will affect the returns of the firm in which you are interested, but they will have no effect on the returns of firms in a different
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