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how can it be (b)?
A consumer has a utility function (21,12)= 21+22. Assume the price of good 1 and good 2 are the same, and his optimal consump
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Answer #1

The correct option is b.) x1*/x2* = 0

MRS = MUx1/MUx2

MUx1 = 1

MUx2 = 2

MRS = 1/2

Price Ratio = Px1 /Px2 = 1 (Because both price are same)

MRS < Px1/ Px2

MUx1/Px1 < MUx2/Px2

Thus, x1*= 0

x2*= M/Px2

x1*/x2* = 0

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