b) Two securities have the following current prices and payoffs in two equally likely states of nature at the end of the year Payoff (£) Security State 1 State 2 Current price А 10 20 8.1 30 10 9.2 Answer the following: i) What is the one-period risk-free interest rate? (show all the details of your calculation) ii) Suppose now that there are three states of nature and two securities. Discuss the possibility of finding a risk-free portfolio in this scenario.

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
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b) Two securities have the following current prices and payoffs in two equally likely states of
nature at the end of the
year
Payoff (£)
Security
State 1
State 2
Current price
A
10
20
8.1
B
30
10
9.2
Answer the following:
i) What is the one-period risk-free interest rate? (show all the details of your calculation)
ii) Suppose now that there are three states of nature and two securities. Discuss the
possibility of finding a risk-free portfolio in this scenario.
Transcribed Image Text:b) Two securities have the following current prices and payoffs in two equally likely states of nature at the end of the year Payoff (£) Security State 1 State 2 Current price A 10 20 8.1 B 30 10 9.2 Answer the following: i) What is the one-period risk-free interest rate? (show all the details of your calculation) ii) Suppose now that there are three states of nature and two securities. Discuss the possibility of finding a risk-free portfolio in this scenario.
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