The primary focus of the open-economy macroeconomic model is the determination of GDP and the price level.

Question

BlackTom AI · Accepted Answer

Open-economy models center on exchange rates, net exports (the current account), interest-rate differentials, and international capital flows—not mainly on the joint determination of real GDP and the general price level.

1) Relevant knowledge points and concepts
- Closed-economy AD-AS (aggregate demand–aggregate supply) primarily analyzes output (GDP) and the price level.
- Open-economy frameworks (e.g., Mundell–Fleming, IS-LM-BP, models with uncovered interest parity) add the real/exchange rate, net exports, and the balance of payments as central variables.
- Short-run open-economy analysis often assumes sticky prices and focuses on how fiscal/monetary policy affect output and exchange rates under different exchange-rate regimes.

2) Step-by-step reasoning
- The statement claims the primary focus of open-economy macro models is the determination of GDP and the price level.
- Compare: AD-AS (closed economy) → main variables: GDP and price level.
- Open-economy models → main variables: output, interest rates, exchange rate, trade balance. Price level can be included but is typically secondary or held fixed in many open-economy short-run analyses.
- Therefore the statement misattributes the closed-economy emphasis to open-economy models.

3) Calculations
- No numerical calculations are required; reasoning is conceptual and comparative.

4) Why the correct answer is correct
- Because open-economy analysis explicitly incorporates international flows and exchange-rate determination as core elements, its primary focus is broader than, and different from, the GDP–price-level focus of AD-AS models. Many policy conclusions in open economies hinge on exchange-rate responses and capital mobility, not just on aggregate price adjustments.

5) Why the other option is incorrect
- “True” would be incorrect because it ignores the defining features of open-economy models (exchange rates, net exports, capital flows) and wrongly treats price-level determination as their chief aim.

6) Conclusion
- Thus the correct choice is False, which matches the provided answer.

The primary focus of the open-economy macroeconomic model is the determination of GDP and the price level.单项选择题

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