Question 5 Solving Consumer's Choice Problem under CES Utility, Numerical (sympy solution not required) The consumer with income Y has a preference represented by CES utility function U(q1,q2) = (904 + q24). Given prices for the two goods, denoted by P₁, P2, solve the consumer's optimal choice problem following the steps below. (a) Write down the consumer's maximization problem, i.e be clear about (1) the choice variables, (2) the objective function and (3) the constraint. (b) Write down the Lagrangian for this optimization problem. (c) Derive the three first-order conditions.

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Question 5
Solving Consumer's Choice Problem under CES Utility, Numerical (sympy
solution not required)
The consumer with income Y has a preference represented by CES utility function
U(91,92) = (90.4 + 92.4) 04.
Given prices for the two goods, denoted by P₁, P2, solve the consumer's optimal choice
problem following the steps below.
(a) Write down the consumer's maximization problem, i.e be clear about (1) the choice
variables, (2) the objective function and (3) the constraint.
(b) Write down the Lagrangian for this optimization problem.
(c) Derive the three first-order conditions.
(d) Solve for the optimal consumption bundles q₁,92 .
(e) Now we analyze the properties of demand. How does q respond to changes in
P₁, P2 and Y? Specifically, does q increase or decrease if
1. p₁ increases?
2. P2 increases?
3. Y increases?
For simplicity, we only analyze q, results for q are similar. (Hint: comparative
statics, calculate, etc.)
Transcribed Image Text:Question 5 Solving Consumer's Choice Problem under CES Utility, Numerical (sympy solution not required) The consumer with income Y has a preference represented by CES utility function U(91,92) = (90.4 + 92.4) 04. Given prices for the two goods, denoted by P₁, P2, solve the consumer's optimal choice problem following the steps below. (a) Write down the consumer's maximization problem, i.e be clear about (1) the choice variables, (2) the objective function and (3) the constraint. (b) Write down the Lagrangian for this optimization problem. (c) Derive the three first-order conditions. (d) Solve for the optimal consumption bundles q₁,92 . (e) Now we analyze the properties of demand. How does q respond to changes in P₁, P2 and Y? Specifically, does q increase or decrease if 1. p₁ increases? 2. P2 increases? 3. Y increases? For simplicity, we only analyze q, results for q are similar. (Hint: comparative statics, calculate, etc.)
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