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Questions › DSE › DSE 2020 › Q26
4 marks, −1Microeconomics › General equilibrium and exchange economies › Existence and non-existence of equilibriumModerateabout 3 min

DSE 2020 Question 26: General equilibrium and exchange economies

In the same exchange economy (agent 222's utility u2=x+yu_2=x+yu2​=x+y, endowments (0,10)(0,10)(0,10) and (10,0)(10,0)(10,0)), suppose agent 111 instead lexicographically prefers yyy to xxx. The set of competitive equilibrium price ratios px/pyp_x/p_ypx​/py​ is

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In the same exchange economy (agent 2 's utility u₂=x+y, endowments (0,10) and (10,0)), suppose agent 1 instead lexicographically prefers y to x. The set of competitive equilibrium price ratios pₓ/p_y is (A) {1} (B) [0,1] (C) (0,1] (D) ∅

Also written as: In the same exchange economy (agent 2 's utility u_2=x+y, endowments (0,10) and (10,0)), suppose agent 1 instead lexicographically prefers y to x. The set of competitive equilibrium price ratios p_x/p_y is

General equilibrium and exchange economies has come up 69 times in 7 exams since 2004.

What this question tests

This question is on Existence and non-existence of equilibrium, part of General equilibrium and exchange economies in Microeconomics.

When a competitive equilibrium exists and the preferences that make it fail.

TestStop has 13 past-paper questions on this subtopic.

Practise General equilibrium and exchange economiesMore on Existence and non-existence of equilibrium

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