The next four questions are based on the following information. Consider an exchange economy with agents A and B and goods x and y. A's endowment is (0, 1) (i.e., no good r and 1 unit of y) and B's endowment is (2,0) (i.e., 2 units of good x and no good y. The agents can consume only nonnegative amounts of x and y. 4. Suppose A lexicographically prefers x to y and B considers r and y to be perfect sub- stitutes, i.e., between bundles (x, y) and (x', y'), she strictly prefers (x, y) if and only if x + y > x' + y'. The competitive equilibrium allocation for this economy is A. A gets (0, 1) and B gets (2, 0). B. A gets (2,0) and B gets (0, 1). C. A gets (3/2, 0) and B gets (1/2, 1). D. A gets (1,0) and B gets (1, 1).

Economics For Today
10th Edition
ISBN:9781337613040
Author:Tucker
Publisher:Tucker
Chapter1: Introducing The Economic Way Of Thinking
Section: Chapter Questions
Problem 7SQ
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The question is attached in the image below. Note that that options for Q5 is attached in the second image. 

Please provide a 'mathematical' as well figurative proof for your answers (please solve for price equilibriums). The question is a past year entrance test question provided by the university for practice purposes for their entrance exam. Please do not reject it. 

The next four questions are based on the following information.
Consider an exchange economy with agents A and B and goods r and y. A's endowment
is (0, 1) (i.e., no good r and 1 unit of y) and B's endowment is (2,0) (i.e., 2 units of
good x and no good y. The agents can consume only nonnegative amounts of x and y.
4. Suppose A lexicographically prefers r to y and B considers r and y to be perfect sub-
stitutes, i.e., between bundles (x, y) and (x', y'), she strictly prefers (x, y) if and only if
x + y > x' + y'. The competitive equilibrium allocation for this economy is
A. A gets (0, 1) and B gets (2,0).
B. A gets (2,0) and B gets (0, 1).
C. A gets (3/2, 0) and B gets (1/2, 1).
D. A gets (1,0) and B gets (1, 1).
5. Refer to the previous question. The set of all possible competitive equilibrium prices
consists of all pr > 0 and Py > 0 such that
Transcribed Image Text:The next four questions are based on the following information. Consider an exchange economy with agents A and B and goods r and y. A's endowment is (0, 1) (i.e., no good r and 1 unit of y) and B's endowment is (2,0) (i.e., 2 units of good x and no good y. The agents can consume only nonnegative amounts of x and y. 4. Suppose A lexicographically prefers r to y and B considers r and y to be perfect sub- stitutes, i.e., between bundles (x, y) and (x', y'), she strictly prefers (x, y) if and only if x + y > x' + y'. The competitive equilibrium allocation for this economy is A. A gets (0, 1) and B gets (2,0). B. A gets (2,0) and B gets (0, 1). C. A gets (3/2, 0) and B gets (1/2, 1). D. A gets (1,0) and B gets (1, 1). 5. Refer to the previous question. The set of all possible competitive equilibrium prices consists of all pr > 0 and Py > 0 such that
A. Pz/Py = 1
В. р-/Ру — 1
C. Pe/Py < 1
D. Pa/Py > 0
6. Now suppose A lexicographically prefers y to x and B considers r and y to be perfect
substitutes. The set of all possible competitive equilibrium prices consists of all Pa > 0
and p, >0 such that
A. Pa/Py = 1
B. Pa/Py > 1
C. Pz/Py < 1
D. Pz/Py > 0
Transcribed Image Text:A. Pz/Py = 1 В. р-/Ру — 1 C. Pe/Py < 1 D. Pa/Py > 0 6. Now suppose A lexicographically prefers y to x and B considers r and y to be perfect substitutes. The set of all possible competitive equilibrium prices consists of all Pa > 0 and p, >0 such that A. Pa/Py = 1 B. Pa/Py > 1 C. Pz/Py < 1 D. Pz/Py > 0
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