An investor can choose between two actions ak E AVKE {1,2}. He faces three possi- ble...
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An investor can choose between two actions ak E AVKE {1,2}. He faces three possi- ble states s; ES Vje {1,2,3} with probabilities ; ≥ Vje {1,2,3}: probability actions It j REQUIRED: Outcomes conditional on states [x EXV x = p(s, a) ] are the following: S1 0.3 a₁ a₂ states S2 0.35 S1 60 20 states $2 40 44 S3 0.35 S3 40 32 a) Assume that the investor has no additional information. Identify and explain the action (a₁ or a₂) the investor would choose. (5 marks) b) Now assume that the investor has access to an accounting system that partitions the state space. Specifically, he has access to the information partition 4₁ = {81, 82} = {{$₁, $3}, {$₂}}. Explain whether access to this information partition would change the investor's action choice. To answer the question, first describe the investor's action choices separately for each information signal and then derive his overall expected outcome. (10 marks) c) Now assume that the investor can choose between two accounting systems. Specifically, he can either access the information partition A₁= {8₁, 8₂} = {{S₁, S3}, {$₂}} or the information partition A₂ = {6₁, 6₂} = {{S₁, S2}, {S3}}. Identify the information partition (A₁ or A₂) the investor would choose. To do so, compare the expected outcomes of both partitions and explain your rationale. You can refer to your answers from a) and/or b) where appropriate. (7 marks) An investor can choose between two actions ak E AVKE {1,2}. He faces three possi- ble states s; ES Vje {1,2,3} with probabilities ; ≥ Vje {1,2,3}: probability actions It j REQUIRED: Outcomes conditional on states [x EXV x = p(s, a) ] are the following: S1 0.3 a₁ a₂ states S2 0.35 S1 60 20 states $2 40 44 S3 0.35 S3 40 32 a) Assume that the investor has no additional information. Identify and explain the action (a₁ or a₂) the investor would choose. (5 marks) b) Now assume that the investor has access to an accounting system that partitions the state space. Specifically, he has access to the information partition 4₁ = {81, 82} = {{$₁, $3}, {$₂}}. Explain whether access to this information partition would change the investor's action choice. To answer the question, first describe the investor's action choices separately for each information signal and then derive his overall expected outcome. (10 marks) c) Now assume that the investor can choose between two accounting systems. Specifically, he can either access the information partition A₁= {8₁, 8₂} = {{S₁, S3}, {$₂}} or the information partition A₂ = {6₁, 6₂} = {{S₁, S2}, {S3}}. Identify the information partition (A₁ or A₂) the investor would choose. To do so, compare the expected outcomes of both partitions and explain your rationale. You can refer to your answers from a) and/or b) where appropriate. (7 marks)
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a Without any additional information the investor would choose the action with the highest expected outcome To determine the expected outcome for each ... View the full answer
Related Book For
Contemporary Financial Intermediation
ISBN: 9780124052086
4th Edition
Authors: Stuart I. Greenbaum, Anjan V. Thakor, Arnoud Boot
Posted Date:
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