TAILIEUCHUNG - Bài giảng Chapter 4: Risk and return - The basics

Bài giảng Chapter 4: Risk and return - The basics present of basic return concepts, basic risk concepts, stand alone risk, portfolio (market) risk, risk and return: CAPM/SML. | CHAPTER 4 Risk and Return: The Basics Basic return concepts Basic risk concepts Stand-alone risk Portfolio (market) risk Risk and return: CAPM/SML 1 What are investment returns? Investment returns measure the financial results of an investment. Returns may be historical or prospective (anticipated). Returns can be expressed in: Dollar terms. Percentage terms. 2 What is the return on an investment that costs $1,000 and is sold after 1 year for $1,100? Dollar return: Percentage return: $ Received - $ Invested $1,100 - $1,000 = $100. $ Return/$ Invested $100/$1,000 = = 10%. 2 What is investment risk? Typically, investment returns are not known with certainty. Investment risk pertains to the probability of earning a return less than that expected. The greater the chance of a return far below the expected return, the greater the risk. 2 Probability distribution Rate of return (%) 50 15 0 -20 Stock X Stock Y Which stock is riskier? Why? 3 Assume the Following Investment Alternatives Economy Prob. T-Bill Alta Repo Am F. MP Recession Below avg. Average Above avg. Boom 4 What is unique about the T-bill return? The T-bill will return 8% regardless of the state of the economy. Is the T-bill riskless? Explain. 5 Do the returns of Alta Inds. and Repo Men move with or counter to the economy? Alta Inds. moves with the economy, so it is positively correlated with the economy. This is the typical situation. Repo Men moves counter to the economy. Such negative correlation is unusual. 7 Calculate the expected rate of return on each alternative. r = expected rate of return. rAlta = (-22%) + (-2%) + (20%) + (35%) + (50%) = . ^ ^ 8 Alta has the highest rate of return. Does that make it best? r Alta Market Am. Foam T-bill Repo Men ^ 9 What is the standard deviation of returns .

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