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Questions › DSE › DSE 2012 › Q22
2 marksMicroeconomics › Welfare economics and social choice › Pareto efficiency and Pareto improvementsHardabout 3 min

DSE 2012 Question 22: Welfare economics and social choice

Antony and Cleopatra run a food stall together. Their joint profit is 10 Rupees per month, from which Antony gets IAI_{A}IA​ Rupees and Cleopatra gets ICI_{C}IC​ Rupees. Utility functions of Antony and Cleopatra are UA=IAICU_{A}=\sqrt{I_{A}I_{C}}UA​=IA​IC​​ and UC=ICU_{C}=I_{C}UC​=IC​, respectively. Consider the following divisions, Division 1: IA=7,IC=3I_{A}=7,I_{C}=3IA​=7,IC​=3, Division 2: IA=3,IC=7I_{A}=3,I_{C}=7IA​=3,IC​=7.

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Antony and Cleopatra run a food stall together. Their joint profit is 10 Rupees per month, from which Antony gets I_A Rupees and Cleopatra gets I_C Rupees. Utility functions of Antony and Cleopatra are U_A=√I_AI_C and U_C=I_C, respectively. Consider the following divisions, Division 1: I_A=7,I_C=3, Division 2: I_A=3,I_C=7. (A) Both the divisions are Pareto optimal (B) None of the divisions is Pareto optimal (C) Only Division 1 is Pareto optimal (D) Only Division 2 is Pareto optimal

Also written as: Antony and Cleopatra run a food stall together. Their joint profit is 10 Rupees per month, from which Antony gets I_A Rupees and Cleopatra gets I_C Rupees. Utility functions of Antony and Cleopatra are U_A=sqrt(I_AI_C) and U_C=I_C, respectively. Consider the following divisions, Division 1: I_A=7,I_C=3, Division 2: I_A=3,I_C=7.

Welfare economics and social choice has come up 62 times in 6 exams since 2004.

What this question tests

This question is on Pareto efficiency and Pareto improvements, part of Welfare economics and social choice in Microeconomics.

What it means for an allocation to be efficient, checked in exchange economies and other settings.

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