问题


There is a single choice question about high school macroeconomics. Answer the question by replying A, B, C or D.
Question: Which of the following is likely to shift the long-run aggregate supply curve to the right?
A. A nation that devotes more resources to nondurable consumption goods rather than durable capital goods
B. Research that improves the productivity of labor and capital
C. More restrictive trade policies
D. Annual limits to immigration of foreign citizens
Answer:

答案

模型 模型答案 正确答案
金声玉亮2.0

The correct answer is B. Research that improves the productivity of labor and capital.

Explanation: An increase in productivity will lead to an increase in the long-run aggregate supply curve, as firms can produce more output with the same amount of resources. This is because productivity improvements allow firms to produce more output with the same amount of labor and capital, which increases the overall supply of goods and services in the economy.

The other options are incorrect because:

A. Devoting more resources to nondurable consumption goods rather than durable capital goods would not increase productivity or the long-run aggregate supply curve.

C. More restrictive trade policies would likely lead to a decrease in the long-run aggregate supply curve, as trade restrictions can limit the availability of resources and reduce productivity.

D. Annual limits to immigration of foreign citizens would not necessarily affect the long-run aggregate supply curve, as immigration can have both positive and negative effects on productivity and the supply of labor.
B
deepseekr1

The long-run aggregate supply (LRAS) curve shifts rightward when there is an increase in an economy's productive capacity.

- **A** reduces investment in capital goods, which harms long-term growth.
- **B** enhances productivity of labor and capital, directly boosting potential output.
- **C** and **D** restrict resources (trade and labor), likely reducing LRAS.

Answer: **B**
B
gpto1 B B
GPT-4o B. Research that improves the productivity of labor and capital B
llama3.1-70B-Instruct

B
B
llama3.1-405B-Instruct

B. Research that improves the productivity of labor and capital is likely to shift the long-run aggregate supply curve to the right. This is because improved productivity allows for more output to be produced with the same amount of resources, increasing the overall supply of goods and services in the economy.

A is incorrect because devoting more resources to nondurable consumption goods rather than durable capital goods would not increase the overall supply of goods and services in the economy.

C is incorrect because more restrictive trade policies would likely reduce the supply of goods and services in the economy, not increase it.

D is incorrect because annual limits to immigration of foreign citizens would not necessarily increase the supply of goods and services in the economy, and could potentially reduce it if the immigrants were contributing to the workforce.
B
DeepSeek-Coder-V2 B. Research that improves the productivity of labor and capital B
Qwen2-72B-Instruct B. Research that improves the productivity of labor and capital B
baichuan4 B B
doubao B

Improvements in the productivity of labor and capital can increase the potential output of an economy, thereby shifting the long-run aggregate supply curve to the right. Devoting more resources to nondurable consumption goods rather than capital goods would not directly increase productive capacity. More restrictive trade policies and limits to immigration may have various effects but are not likely to directly and significantly shift the long-run aggregate supply curve to the right in a positive way.
B
minimax B. Research that improves the productivity of labor and capital B
kimi B. Research that improves the productivity of labor and capital B
wenxinyiyan B

Explanation:
The long-run aggregate supply curve represents the potential output of an economy when all prices, including wages and other resource prices, are fully flexible. Shifts in the long-run aggregate supply curve are typically associated with changes in the productive capacity of an economy.

A. A nation that devotes more resources to nondurable consumption goods rather than durable capital goods - This is likely to reduce the productive capacity of an economy in the long run because capital goods are necessary for production. Shifting resources away from capital goods production would not increase the economy's potential output and is unlikely to shift the long-run aggregate supply curve to the right.

B. Research that improves the productivity of labor and capital - This would increase the efficiency of production, allowing more output to be produced with the same amount of labor and capital. Such an improvement in productivity would increase the economy's potential output and shift the long-run aggregate supply curve to the right.

C. More restrictive trade policies - Restrictive trade policies, such as tariffs or quotas, are likely to reduce the efficiency of an economy by limiting access to foreign markets and potentially increasing costs for consumers and producers. This would not increase the economy's potential output and is unlikely to shift the long-run aggregate supply curve to the right.

D. Annual limits to immigration of foreign citizens - Limits on immigration are likely to restrict the supply of labor, which is a key input in production. Restricting the supply of labor would not increase the economy's potential output and is unlikely to shift the long-run aggregate supply curve to the right.
B
zhipu B

Explanation: The long-run aggregate supply (LRAS) curve represents the maximum potential output an economy can produce when all resources are fully and efficiently utilized. Factors that improve productivity or increase the availability of resources shift the LRAS curve to the right.

- A: Devoting more resources to nondurable consumption goods rather than durable capital goods is likely to reduce long-term productivity, as capital goods are essential for increasing future production capacity.
- B: Research that improves the productivity of labor and capital directly enhances the economy's ability to produce more output, shifting the LRAS curve to the right.
- C: More restrictive trade policies typically reduce efficiency and access to resources, which can hinder economic growth and shift the LRAS curve to the left.
- D: Annual limits to immigration can reduce the labor force and limit the potential for economic growth, which would not shift the LRAS curve to the right.

Therefore, the correct answer is B.
B
gpto1 B B