Chapter 8 Flashcards

0
Q

How is the variance calculated?

A

Add the squared difference between each period’s return and the mean return

Divide by (n-1)

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1
Q

Measures deviation of actual return from average return over a specific period.

A

Variance

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2
Q

What is a downside to using the variance to measure deviation of actual return?

A

May be difficult to interpret due to squaring

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3
Q

How is the standard deviation calculated.

A

Square root of the variance

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4
Q

Why is standard deviation a good way to measure deviation of actual return from the average return?

A

In the same units

Same number of days points as variance

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5
Q

What is a drawback to using standard deviation?

A

The larger the values in the data set the larger the standard deviation

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6
Q

How is the coefficient of variation calculated?

A

Standard deviation / expected (or mean) return

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7
Q

What does the coefficient of variation measure?

A

Risk per unit of return

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8
Q

This provides an indication of the dollar amount involved in a risk being assessed; items not provided by standard deviation or coefficient of variation

A

Value at risk

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9
Q

What is this an example of? An investment portfolio might have a 6% one-day, _____ of $400,000

A

Value at risk

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10
Q

What are the advantages of VaR?

A

Expresses the loss in monetary terms that are easy to understand

Quantities in numerical terms the potential loss associated with a decision

Requires only two inputs

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11
Q

What is the disadvantage of VaR?

A

The extent to which a loss exceeds the VaR threshold is not accurately measured.

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12
Q

What does beta represent?

A

An assets market risk; the extent to which a change in the overall marketplace can affect a particular asset.

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13
Q

What is the beta of the market?

A

1.0

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14
Q

What does a beta of 1.1 mean?

A

Asset is more volatile than the market

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15
Q

This theory indicates that asset allocation can optimize risk and return

A

Modern portfolio theory

16
Q

What type of risk cannot be diversified away?

A

Market risk/systematic risk

17
Q

What type of risk can be diversified away?

A

Company-Specific (business risk, default risk)

18
Q

What is a major benefit of investing internationally?

A

Diversification

19
Q

This can allow an investor to achieve higher return for a given risk level than can be achieved with a single asset

A

Diversification

20
Q

Does another investment need to have a negative correlation to reduce risk through diversification?

A

No. Just cannot be perfectly correlated.

21
Q

Is there a limit to the benefit of diversification?

A

Yes. There is an optimum mix

22
Q

What is efficient frontier?

A

Portfolio with the highest return for a given level of risk

23
Q

What is the most important objective of an insurance company when investing in long-term bonds?

A

To match timing of investment cash inflows with expected cash outflows of the company

24
Q

What are the three risks bonds have?

A

Credit risk (can eliminate through diversification)
Interest rate risk (cannot eliminate)
Reinvestment rate risk

25
Q

What type of risk does cash matching eliminate?

A

Interest rate risk

26
Q

What is cash matching?

A

Matching the maturity of bonds with the expected time losses must be paid

27
Q

What are the limitations of cash matching?

A

Insurer must purchase correct amount of bonds to offset loss payments

Insurer must find zero-coupon bonds that mature at the exact time losses are paid.

28
Q

What types of bonds expose an insurer to reinvestment rate risk?

A

Coupon rate bonds

29
Q

What does duration of a bond represent?

A

Amount of time required to recover the true cost.

30
Q

What is the duration of a zero coupon bond?

A

Maturity

31
Q

What are the uses of bond duration?

A

Compare volatility of bonds

Estimate price changes when YTM changes

Immunize a portfolio

32
Q

Who regulates insurer investments?

A

The state

33
Q

What types of assets are permitted on a balance sheet?

A
Money market investments 
Treasury bills and commercial paper 
High quality bonds 
Common and preferred stock 
Real estate and mortgages
34
Q

What is the primary goal of state regulators?

A

Ensuring solvency and liquidity of an insurer

35
Q

What types of restrictions are placed in insurers with regard to investments.

A

Can’t put too many eggs in one type of basket

Can’t put too many eggs in one basket

Cannot own too much stock in another company

36
Q

What do investment restrictions usually lead insurers to invest in?

A

High quality bonds