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Question 2 (20 marks) You are working for a fund that invests actively in different investment sectors. Analysts at your firm have produced the following estimates of sector portfolio (annualized) retuin variance-covariance matrix from historical data: Consumer sector Industrial sector Technology sector Services sector Consumer sector 0.3 0.2 0.3 0.1 Industrial sector 0.2 0.4 0.3 0.2 Technology sector 0.3 0.3 0.6 0.2 Services sector 0.1 0.2 0.2 0.3 A Consumer sector analyst, Brianna, believes that the historical variance-covariance matrix is representative of the forward-looking counterpart, but the historical average returns are not good estimates for the forward-looking expected returns. She observes that the entire market consists of: Consumer sector 20% Industrial sector 30% Technology sector 30% Services sector 20% Market Weight She also noted that the market portfolio above is expected to yield 9%. While Brianna is willing to accept the expected returns on the other sector portfolios implied by the market weights and the 9% overall market expected return, she specializes in the consumer sector and has a strong view that the forward-looking expected return on the consumer sector portfolio is 10%. Use the Black-Litterman approach to reflect Brianna's view and the information given. What is the minimum standard deviation that Brianna must bear to get an expected return of 8% based on the Black-Litterman approach? Question 2 (20 marks) You are working for a fund that invests actively in different investment sectors. Analysts at your firm have produced the following estimates of sector portfolio (annualized) retuin variance-covariance matrix from historical data: Consumer sector Industrial sector Technology sector Services sector Consumer sector 0.3 0.2 0.3 0.1 Industrial sector 0.2 0.4 0.3 0.2 Technology sector 0.3 0.3 0.6 0.2 Services sector 0.1 0.2 0.2 0.3 A Consumer sector analyst, Brianna, believes that the historical variance-covariance matrix is representative of the forward-looking counterpart, but the historical average returns are not good estimates for the forward-looking expected returns. She observes that the entire market consists of: Consumer sector 20% Industrial sector 30% Technology sector 30% Services sector 20% Market Weight She also noted that the market portfolio above is expected to yield 9%. While Brianna is willing to accept the expected returns on the other sector portfolios implied by the market weights and the 9% overall market expected return, she specializes in the consumer sector and has a strong view that the forward-looking expected return on the consumer sector portfolio is 10%. Use the Black-Litterman approach to reflect Brianna's view and the information given. What is the minimum standard deviation that Brianna must bear to get an expected return of 8% based on the Black-Litterman approach

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