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Chapter 27                                  Mankiw/Taylor, Economics



True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

If the prevailing interest rate is 10 per cent, a rational person should be indifferent between receiving €1,000 today and €1,000 one year from today.
 

 2. 

You are going to receive a €100,000 inheritance in ten years. If the prevailing interest rate is 6 percent, the present value of your inheritance is €55,839.48.
 

 3. 

The rule of 70 suggests that, on average, people's incomes double every 70 years.
 

 4. 

If interest is compounded annually, €100 placed in a bank account earning 10 percent interest should generate €30 interest after three years.
 

 5. 

According to the rule of 70, if your income grows at 7 percent per year, it will double in ten years.
 

 6. 

The present value of a future sum is the amount of money today that would be needed, at prevailing interest rates, to produce that future sum.
 

 7. 

If people are risk averse, the utility gained from winning €1,000 is equal to the utility lost from losing a €1,000 bet.
 

 8. 

If someone's utility function exhibits diminishing marginal utility of wealth, this person is risk averse.
 

 9. 

The insurance market demonstrates the problem of adverse selection when those that are sicker than average seek health insurance.
 

 10. 

People can reduce what is known as aggregate risk by diversifying their portfolios.
 

 11. 

Increasing the diversification of a portfolio from 1 share to 10 shares reduces the portfolio's risk by the same amount as increasing the diversification from 10 to 20 shares.
 

 12. 

As a person allocates more of his savings to shares and less to government bonds, he will earn a higher rate of return but he must accept additional risk.
 

 13. 

The efficient markets hypothesis suggests that since markets are efficient, it is easy to engage in fundamental analysis to purchase undervalued shares and then earn greater than average market returns.
 

 14. 

If the efficient markets hypothesis is true, share prices follow a random walk. Therefore, buying a diversified portfolio, by purchasing an index fund or by throwing darts at the share prices page in a newspaper, is probably the best that you can do.
 

 15. 

The value of a share is based on the present value of the future stream of dividend payments and the final sales price.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 16. 

The amount today that would be needed, at prevailing interest rates, to produce a particular sum in the future is know as
a.
future value.
b.
fair value.
c.
present value.
d.
compound value.
e.
beginning value.
 

 17. 

If a depositor puts €100 in a bank account that earns 4 percent interest compounded annually, how much will be in the account after five years?
a.
€400.00
b.
€104.00
c.
€121.67
d.
€123.98
e.
€120.00
 

 18. 

JCB (which makes agricultural and construction equipment) has the opportunity to purchase a new factory today that will provide them with a £50 million return four years from now. If prevailing interest rates are 6 percent, what is the maximum that the project can cost for JCB to be willing to undertake the project?
a.
£43,456,838
b.
£53,406,002
c.
£34,583,902
d.
£39,604,682
e.
£50,000,000
 

 19. 

An increase in the prevailing interest rate
a.
increases the present value of future returns from investment, and increases investment.
b.
decreases the present value of future returns from investment, and decreases investment.
c.
decreases the present value of future returns from investment, and increases investment.
d.
increases the present value of future returns from investment, and decreases investment.
 

 20. 

If two countries start with the same real GDP/person, and one country grows at 2 percent while the other grows at 4 percent,
a.
one country will always have 2 percent more real GDP/person than the other.
b.
the standard of living in the country growing at 4 percent will start to accelerate away from the slower growing country due to compound growth.
c.
the standard of living in the two countries will converge.
d.
next year the country growing at 4 percent will have twice the GDP/person as the country growing at 2 percent.
 

 21. 

Using the rule of 70, if your income grows at 10 percent per year, your income will double in approximately
a.
70 years.
b.
7 years.
c.
10 years.
d.
There is not enough information to answer this question.
e.
700 years.
 

 22. 

Using the rule of 70, if your parents place €10,000 in a deposit for you on the day you are born, approximately how much will be in the account when you retire at 70 years old if the deposit earns 3 percent per year?
a.
€20,000
b.
€300
c.
€70,000
d.
€80,000
e.
€3,000
 

 23. 

If people are risk averse, then
a.
none of these answers are true.
b.
all of these answers are true.
c.
they dislike bad things more than the like comparable good things.
d.
the utility they would lose from losing a €50 bet would exceed the utility they would gain from winning a €50 bet.
e.
their utility functions exhibit the property of diminishing marginal utility of wealth.
 

 24. 

Which of the following does not help reduce the risk that people face?
a.
increasing the rate of return within their portfolio
b.
diversifying their portfolio
c.
All of these answers help reduce risk.
d.
buying insurance
 

 25. 

Which of the following is an example of moral hazard?
a.
After Guiseppe buys fire insurance, he begins to smoke cigarettes in bed.
b.
None of these answers demonstrate moral hazard.
c.
Martin has been feeling poorly lately so he seeks health insurance.
d.
Both of Suzanne’s parents lost their teeth due to gum disease, so Suzanne buys dental insurance.
e.
All of these answers demonstrate moral hazard.
 

 26. 

Idiosyncratic risk is the
a.
uncertainty associated with the entire economy.
b.
uncertainty associated with specific companies.
c.
risk associated with adverse selection.
d.
risk associated with moral hazard.
 

 27. 

Diversification of a portfolio can
a.
reduce aggregate risk.
b.
eliminate all risk.
c.
increase the standard deviation of the portfolio's return.
d.
reduce idiosyncratic risk.
 

 28. 

Compared to a portfolio composed entirely of shares, a portfolio that is 50 percent government bonds and 50 percent shares will have a
a.
lower return and a lower level of risk.
b.
lower return and a higher level of risk.
c.
higher return and a lower level of risk.
d.
higher return and a higher level of risk.
 

 29. 

The study of a company's accounting statements and future prospects to determine its value is known as
a.
information analysis.
b.
risk management.
c.
fundamental analysis.
d.
diversification.
 

 30. 

If the efficient markets hypothesis is true, then
a.
shares tend to be overvalued.
b.
the stock market is informationally efficient so share prices should follow a random walk.
c.
all of these answers
d.
fundamental analysis is a valuable tool for increasing one's returns from investing in shares.
e.
an index fund is a poor investment.
 

 31. 

Which of the following reduces risk in a portfolio the greatest?
a.
Increasing the number of shares from 10 to 20
b.
All of these answers provide the same amount of risk reduction.
c.
Increasing the number of shares in the portfolio from 1 to 10
d.
Increasing the number of shares from 20 to 30
 

 32. 

Which of the following should cause the price of a share of stock to rise?
a.
None of these answers
b.
An increase in expected dividends
c.
A reduction in aggregate risk
d.
A reduction in the interest rate
e.
All of these answers
 

 33. 

Speculative bubbles may occur in the shares market
a.
during periods of extreme pessimism because so many stocks become undervalued.
b.
only when people are irrational.
c.
when stocks are fairly valued.
d.
because rational people may buy an overvalued share if they think they can sell it to someone for even more at a later date.
 

 34. 

Share prices will follow a random walk if
a.
shares are overvalued.
b.
people behave irrationally when choosing shares.
c.
markets reflect all available information in a rational way.
d.
shares are undervalued.
 

 35. 

It is difficult for an actively managed investment fund to out perform an index fund because
a.
stock markets tend to be inefficient.
b.
all of these answers
c.
index funds are able to buy undervalued stocks.
d.
actively managed funds trade more often and charge fees for their alleged expertise.
e.
index funds generally do better fundamental analysis.
 



 
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