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Question
Macroeconomics
Posted 7 months ago

The market for Good AA is currently in equilibrium as shown in this graph.
The market for good A\mathrm{A}

If the demand for Good AA increases, what would be the price and quantity that would exist in this market?

Choose 1 answer:
(A) P5,QAP_{5}, Q_{A}
(B) P3,QAP_{3}, Q_{A}
(c) P5,QCP_{5}, Q_{C}
(D) P3,QCP_{3}, Q_{C}
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Answer from Sia
Posted 7 months ago
Solution
a
Initial Equilibrium: The market for Good A is initially in equilibrium where the supply curve (S) intersects the demand curve (D). This occurs at point (QB, P4)
b
Increase in Demand: When the demand for Good A increases, the demand curve shifts to the right. This means that at each price level, a higher quantity of Good A is demanded
c
New Equilibrium: The new equilibrium will be at the intersection of the new demand curve and the original supply curve. This intersection will occur at a higher price and higher quantity than the initial equilibrium
d
Graph Analysis: From the graph, the new equilibrium point after the increase in demand will be at (QC, P5), where the new demand curve intersects the original supply curve
Answer
(C) P5,QCP_{5}, Q_{C}
Key Concept
Equilibrium Shift Due to Demand Increase
Explanation
When demand increases, the demand curve shifts to the right, leading to a higher equilibrium price and quantity. In this case, the new equilibrium is at (QC, P5).

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