Problem 2 Suppose that John's preferences over meat (M) and vegetables (V) are represented by the following utility function U(M,V) = a ln(M) + (1 − a) ln(V) where 0 < a < 1. ¹No claim of realism is made for the numbers in this example. 1 (a) Write down the Lagrangian for John's optimization problem. (Recall that John max- imizes utility given an income, I, and prices pm and py for the goods.) (b) Solve for John's optimal consumption bundle (M*, V*) (as a function of income and prices) using the Lagrangian method. 200 and faces prices PM = 1 and pv = 2. What is the value of John's optimal consumption bundle? What happens if John's income doubles to I = 400? (c) Suppose a = . Suppose also that John has income I =

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Chapter6: Consumer Choice Theory
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Problem 2
Suppose that John's preferences over meat (M) and vegetables (V) are represented by the
following utility function
U(M,V) = a ln(M) + (1 − a) ln(V)
where 0 < a < 1.
¹No claim of realism is made for the numbers in this example.
1
(a) Write down the Lagrangian for John's optimization problem. (Recall that John max-
imizes utility given an income, I, and prices pè and på for the goods.)
(b) Solve for John's optimal consumption bundle (M*, V*) (as a function of income and
prices) using the Lagrangian method.
=
(c) Suppose a = . Suppose also that John has income I
=
1 and pv
2. What is the value of John's optimal
happens if John's income doubles to I = 400?
200 and faces prices p
consumption bundle? What
=
Transcribed Image Text:Problem 2 Suppose that John's preferences over meat (M) and vegetables (V) are represented by the following utility function U(M,V) = a ln(M) + (1 − a) ln(V) where 0 < a < 1. ¹No claim of realism is made for the numbers in this example. 1 (a) Write down the Lagrangian for John's optimization problem. (Recall that John max- imizes utility given an income, I, and prices pè and på for the goods.) (b) Solve for John's optimal consumption bundle (M*, V*) (as a function of income and prices) using the Lagrangian method. = (c) Suppose a = . Suppose also that John has income I = 1 and pv 2. What is the value of John's optimal happens if John's income doubles to I = 400? 200 and faces prices p consumption bundle? What =
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