The discovery of new oil deposits will cause
A. both the long-run and the short-run aggregate supply curves to shift to the right.
B. the short-run aggregate supply curve to shift to the right, but not the long-run aggregate supply curve.
C. the long-run aggregate supply curve to shift to the right, but not the short-run aggregate supply.
D. the long-run aggregate supply curve to shift to the right and the short-run aggregate supply curve to shift to the left.
Answer: A
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