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Varian Question

Koustav
1 post
Mac's utility function is U(x, y) = max( 2x - y, 2y - x).

a. Mac's preferences are quasilinear.
b. If Mac has more x than y, any increase in his consumption of y would lower his utility
c. If Mac has more x than y, a decrease in his consumption of y would raise his utility.
d. Mac always prefers more of each good to less '
e. Goods r and y are perfect substitutes.

    Ans is b why not c?