FIGURE 4 The consumer's equilibrium position. The consumer's equilibrium position is represented by point X, where the black budget line is tangent to indifference curve l3. The consumer buys 4 units of A at $1.50 per unit and 6 of B at $1 per unit with a $12 money income. Points Z and Y represent attainable combinations of A and B but yield less total utility, as is evidenced by the fact that they are on lower indifference curves. Point W would entail more utility than X, but it requires a greater income than the $12 represented by the budget line. 12 10 14 Z 2 6 8 10 12 Quantity of B Quantity of A 2.

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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Using Figure 4 , explain why the point of tangency of the budget line with an indifference curve is the consumer’s equilibrium position. Explain why any point where the budget line intersects an indifference curve is not equilibrium. Explain: “The consumer is in equilibrium where MRS = PB /PA.”

FIGURE 4 The consumer's equilibrium position. The
consumer's equilibrium position is represented by point X, where the
black budget line is tangent to indifference curve l3. The consumer buys
4 units of A at $1.50 per unit and 6 of B at $1 per unit with a $12 money
income. Points Z and Y represent attainable combinations of A and B
but yield less total utility, as is evidenced by the fact that they are on
lower indifference curves. Point W would entail more utility than X, but
it requires a greater income than the $12 represented by the budget line.
12
10
14
Z
2
6 8 10 12
Quantity of B
Quantity of A
2.
Transcribed Image Text:FIGURE 4 The consumer's equilibrium position. The consumer's equilibrium position is represented by point X, where the black budget line is tangent to indifference curve l3. The consumer buys 4 units of A at $1.50 per unit and 6 of B at $1 per unit with a $12 money income. Points Z and Y represent attainable combinations of A and B but yield less total utility, as is evidenced by the fact that they are on lower indifference curves. Point W would entail more utility than X, but it requires a greater income than the $12 represented by the budget line. 12 10 14 Z 2 6 8 10 12 Quantity of B Quantity of A 2.
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