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Unformatted text preview: Chapter 8 Risk and Rates of Return Answers to EndofChapter Questions 81 a. No, it is not riskless. The portfolio would be free of default risk and liquidity risk, but inflation could erode the portfolios purchasing power. If the actual inflation rate is greater than that expected, interest rates in general will rise to incorporate a larger inflation premium (IP) and as we saw in Chapter 6the value of the portfolio would decline. b. No, you would be subject to reinvestment rate risk. You might expect to roll over the Treasury bills at a constant (or even increasing) rate of interest, but if interest rates fall, your investment income will decrease. c. A U.S. governmentbacked bond that provided interest with constant purchasing power (that is, an indexed bond) would be close to riskless. The U.S. Treasury currently issues indexed bonds. 82 a. The probability distribution for complete certainty is a vertical line. b. The probability distribution for total uncertainty is the Xaxis from  to + . 83 a. The expected return on a life insurance policy is calculated just as for a common stock. Each outcome is multiplied by its probability of occurrence, and then these products are summed. For example, suppose a 1year term policy pays $10,000 at death, and the probability of the policyholders death in that year is 2%. Then, there is a 98% probability of zero return and a 2% probability of $10,000: Expected return = 0.98($0) + 0.02($10,000) = $200. This expected return could be compared to the premium paid. Generally, the premium will be larger because of sales and administrative costs, and insurance company profits, indicating a negative expected rate of return on the investment in the policy. b. There is a perfect negative correlation between the returns on the life insurance policy and the returns on the policyholders human capital. In fact, these events (death and future lifetime earnings capacity) are mutually exclusive. The prices of goods and services must cover their costs. Costs include labor, materials, and capital. Capital costs to a borrower Chapter 8: Risk and Rates of Return Integrated Case 1 include a return to the saver who supplied the capital, plus a markup (called a spread) for the financial intermediary that brings the saver and the borrower together. The more efficient the financial system, the lower the costs of intermediation, the lower the costs to the borrower, and, hence, the lower the prices of goods and services to consumers....
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This note was uploaded on 06/11/2009 for the course BUS 314 taught by Professor Mais during the Summer '09 term at University of Hawaii, Manoa.
 Summer '09
 Mais
 Finance, Inflation, Liquidity

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