Norman Gerrymander has just received a $2 million bequest. How should he invest it?

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Lista 1 - VPL

  1. Norman Gerrymander has just received a $2 million bequest. How should he invest it?

There are four immediate alternatives.

a. Investment in one-year U.S. government securities yielding 5 percent.

b. A loan to Norman’s nephew Gerald, who has for years aspired to open a big Cajun restaurant in Duluth. Gerald had arranged a one-year bank loan for $900,000, at 10 percent, but asks for a loan from Norman at 7 percent.

c. Investment in the stock market. The expected rate of return is 12 percent.

d. Investment in local real estate, which Norman judges is about as risky as the stock market. The opportunity at hand would cost $1 million and is forecasted to be worth $1.1 million after one year.

Which of these investments have positive NPVs? Which would you advise Norman to take?


  1. a. NPV = $2,000,000 + [($2,000,000  1.05)/1.05] = $0

b. NPV = $900,000 + [($900,000  1.07)/1.10] = $24,545.45

A taxa correta de desconto é 10%, pois é a taxa apropriada para um investimento com o nível de risco compatível com o restaurante do sobrinho de Norman. O VPL negativo significa que o lucro não irá compensar o risco assumido.
c. NPV = $2,000,000 + [($2,000,000  1.12)/1.12] = $0
d. NPV = $1,000,000 + ($1,100,000/1.12) = $17,857.14

Norman deveria investir ou no título livre de risco ou no título de risco do mercado de capitais (ação) dependendo de sua tolerância ao risco. Títulos corretamente precificados sempre apresentam VPL zero.

  1. For an outlay of $8 million you can purchase a tanker load of bucolic acid delivered in Rotterdam one year hence. Unfortunately the net cash flow from selling the tanker load will be very sensitive to the growth rate of the world economy:




$8 million

$12 million

$16 million

a. What is the expected cash flow? Assume the three outcomes for the economy are equally likely.

b. What is the expected rate of return on the investment in the project?

c. One share of stock Z is selling for $10. The stock has the following payoffs after one year:







Calculate the expected rate of return offered by stock Z. Explain why this is the opportunity cost of capital for your bucolic acid project.

d. Calculate the project’s NPV. Is the project a good investment? Explain why.

2. a. Fluxo de Caixa Esperado = ($8 million + $12 million + $16 million)/3 = $12 million

b. Taxa de retorno Esperada = ($12 million/$8 million) – 1 = 0.50 = 50%
c. Fluxo de Caixa Esperado = ($8 + $12 + $16)/3 = $12

Taxa de retorno Esperada = ($12/$10) – 1 = 0.20 = 20%

Seu o negócio da empresa é a compra e venda deste produto, o payoff do produto deve ser o mesmo que o payoff das ações em cada estado da economia. O risco dos fluxos de caixa é o mesmo.
d. NPV = -$8,000,000 + ($12,000,000/1.20) = +$2,000,000

O projeto é um bom investimento porque o VPL é positivo.

  1. Ms. Smith is retired and depends on her investments for retirement income. Mr. Jones is a young executive who wants to save for the future. They are both stockholders in Airbus, which is investing over $12 billion to develop the A380, a new super-jumbo airliner. This investment’s payoff is many years in the future. Assume the investment is positive-NPV for Mr. Jones. Explain why it should also be positive-NPV for Ms. Smith.

The investment’s positive NPV will be reflected in the price of Jumbo stock.  In order to derive a cash flow from her investment that will allow her to spend more today, Ms. Espinoza can sell some of her shares at the higher price or she can borrow against the increased value of her holdings.

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