In the chapter titled " Macroeconomic Equilibrium: Aggregate Demand and Supply," the aggregate supply (AS) curve was upward sloping. While, in this chapter, there is flat AS curve. What are the implications for equilibrium real GDP if AD shifts by some amount and the AS curve is perfectly flat in one economy and upward sloping in another?

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Chapter 10, Problem 17E

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In the chapter titled "Macroeconomic Equilibrium: Aggregate Demand and Supply," the aggregate supply (AS) curve was upward sloping. While, in this chapter, there is flat AS curve. What are the implications for equilibrium real GDP if AD shifts by some amount and the AS curve is perfectly flat in one economy and upward sloping in another?

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