Consider a trader i has following utility function: u;(x1, X2) = x† xª, 1-a where x; refers to the quantity of asset with price pi, and i = 1,2 in this case. Suppose the total money of this trader to be completely used for trading is M, and during the whole trading process the price of asset remains constant. (a) Determine the optimal quantity x for each asset that this trader can buy when she wants to maximize her utility function. (b) Describe in words about her preferences correponding to a = 0, a = 1, and α 0.5.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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3. Consider a trader i has following utility function:
u; (x1, 82) = xf x“,
1-a
where x; refers to the quantity of asset with price pi, and i = 1,2 in this case. Suppose
the total money of this trader to be completely used for trading is M, and during the
whole trading process the price of asset remains constant.
(a) Determine the optimal quantity x for each asset that this trader can
buy when she wants to maximize her utility function.
(b) Describe in words about her preferences correponding to a = 0, a = 1,
and α 0.5.
Transcribed Image Text:3. Consider a trader i has following utility function: u; (x1, 82) = xf x“, 1-a where x; refers to the quantity of asset with price pi, and i = 1,2 in this case. Suppose the total money of this trader to be completely used for trading is M, and during the whole trading process the price of asset remains constant. (a) Determine the optimal quantity x for each asset that this trader can buy when she wants to maximize her utility function. (b) Describe in words about her preferences correponding to a = 0, a = 1, and α 0.5.
1. Suppose trader į has utility function ui(x) = vx. There are two
financial assets: both cost $100. Trader į is going to buy one of
these. They will both pay off after a short time.
• Asset 1 pays $103 for sure.
• Asset 2 pays $110 with probability 0.95, and $0 with probability
0.05.
Suppose trader j has utility function uj (x) = x2.
(a) Will trader į and j buy a same asset? Why?
(b) Whose performance do you prefer if you are a fund's
manager with utility function u(x) = In vx?
Transcribed Image Text:1. Suppose trader į has utility function ui(x) = vx. There are two financial assets: both cost $100. Trader į is going to buy one of these. They will both pay off after a short time. • Asset 1 pays $103 for sure. • Asset 2 pays $110 with probability 0.95, and $0 with probability 0.05. Suppose trader j has utility function uj (x) = x2. (a) Will trader į and j buy a same asset? Why? (b) Whose performance do you prefer if you are a fund's manager with utility function u(x) = In vx?
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