Teji Singh likes peanut butter and jelly together in his sandwiches. However, Teji is very particular about the proportions of peanut butter and jelly. Specifically, Teji must have 2 scoops of jelly with each 1 scoop of peanut butter. The cost of scoops of peanut butter and jelly are ₹ 0·50 and ₹ 0·20 respectively. Teji has ₹ 9 each week to spend on peanut butter and jelly. (You can assume that Teji's mother provides the bread for the sandwiches.) If Teji is maximising his utility subject to his budget constraint, how many scoops of peanut butter and jelly should he buy?
JNU SSS 2017 Question 45: Budget constraint and consumer equilibrium
Answer and worked solution
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What this question tests
This question is on Demand under complements, substitutes and quasilinear utility, part of Budget constraint and consumer equilibrium in Microeconomics.
Deriving demand when preferences are L-shaped, linear or quasilinear, and what that implies for income and price responses.
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