Efficient portfolios For each of the following pairs of investments, state which would always be preferred by a rational investor (assuming that these are the only investments available to the investor): a. Portfolio A, r = 18% σ = 20%; portfolio B, r = 14% σ = 20%. b. Portfolio C, r = 15% σ = 18%; portfolio D, r = 13% σ = 8%. c. Portfolio E, r = 14% σ = 16%; portfolio F, r = 14% σ = 10%.

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Answer 1

Textbook Question

Chapter 8, Problem 1PS

Efficient portfolios For each of the following pairs of investments, state which would always be preferred by a rational investor (assuming that these are the only investments available to the investor):

a. Portfolio A, r = 18% σ = 20%; portfolio B, r = 14% σ = 20%.
b. Portfolio C, r = 15% σ = 18%; portfolio D, r = 13% σ = 8%.
c. Portfolio E, r = 14% σ = 16%; portfolio F, r = 14% σ = 10%.

Expert Solution

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

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Answer 2

Textbook Question

Chapter 8, Problem 1PS

Efficient portfolios For each of the following pairs of investments, state which would always be preferred by a rational investor (assuming that these are the only investments available to the investor):

a. Portfolio A, r = 18% σ = 20%; portfolio B, r = 14% σ = 20%.
b. Portfolio C, r = 15% σ = 18%; portfolio D, r = 13% σ = 8%.
c. Portfolio E, r = 14% σ = 16%; portfolio F, r = 14% σ = 10%.

Expert Solution

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

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Answer 3

Textbook Question

Chapter 8, Problem 1PS

Efficient portfolios For each of the following pairs of investments, state which would always be preferred by a rational investor (assuming that these are the only investments available to the investor):

a. Portfolio A, r = 18% σ = 20%; portfolio B, r = 14% σ = 20%.
b. Portfolio C, r = 15% σ = 18%; portfolio D, r = 13% σ = 8%.
c. Portfolio E, r = 14% σ = 16%; portfolio F, r = 14% σ = 10%.

Expert Solution

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

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Answer 4

Textbook Question

Chapter 8, Problem 1PS

Efficient portfolios For each of the following pairs of investments, state which would always be preferred by a rational investor (assuming that these are the only investments available to the investor):

a. Portfolio A, r = 18% σ = 20%; portfolio B, r = 14% σ = 20%.
b. Portfolio C, r = 15% σ = 18%; portfolio D, r = 13% σ = 8%.
c. Portfolio E, r = 14% σ = 16%; portfolio F, r = 14% σ = 10%.

Expert Solution

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Expert Solution

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

Answer 8

Expert Solution

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Answer 9

Expert Solution

Answer 10

Expert Solution

Answer 11

Expert Solution

Answer 12

Summary Introduction

To discuss: Whether portfolio A or B most preferable for a rational investor

Answer 13

Explanation of Solution

Portfolio A : Investors prefer maximum return at a given level of risk.

Answer 14

Expert Solution

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Answer 15

Expert Solution

Answer 16

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Answer 17

Expert Solution

Answer 18

Summary Introduction

To discuss: Whether portfolio C or D most preferable for a rational investor

Answer 19

Explanation of Solution

Portfolio C : Investors prefer maximum return at a given level of risk.

Answer 20

Expert Solution

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Answer 21

Expert Solution

Answer 22

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Answer 23

Expert Solution

Answer 24

Summary Introduction

To discuss: Whether portfolio D or E most preferable for a rational investor

Answer 25

Explanation of Solution

Portfolio D: Investors prefer maximum return per unit of risk.

Answer 26

Expert Solution

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

Answer 27

Expert Solution

Answer 28

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Answer 29

Expert Solution

Answer 30

Summary Introduction

To discuss: Whether portfolio E or F most preferable for a rational investor

Answer 31

Explanation of Solution

Portfolio F: Investors prefer low risk given a stated rate of return.

Answer 32

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