What would shift aggregate supply (AS) to the right?

Question

BlackTom AI · Accepted Answer

A rightward shift of aggregate supply means producers supply a larger real GDP at each price level.

1. Relevant knowledge points and concepts
- Aggregate supply (AS) shows total output firms will produce at each price level. A rightward shift means more output at the same prices. Factors that shift AS include changes in resource availability, technology, productivity, input costs, taxes/regulation, and producers' expectations. Lower input costs increase profitability and therefore raise supply; improvements in ability or willingness to produce also shift AS right.

2. Step-by-step reasoning process
- If at price level P0 firms previously produced Y0, a change that raises production at P0 to Y1 > Y0 is a rightward shift.
- Consider three types of changes named in the answer choices:
  a) Increased ability to produce (more machines, better technology, larger labor force) raises the maximum output capacity at every price level.
  b) Increased willingness to produce (higher expected profitability, lower corporate taxes, more favorable regulations) makes firms supply more at existing prices.
  c) Lower input costs (cheaper raw materials, lower wage costs, cheaper energy) reduce marginal costs, so at the same product price firms can profitably produce more.

3. Intermediate demonstration (simple numeric example)
- Before: at price P = 100, output Y = 500.
- After lower input costs or better technology: at same P = 100, firms supply Y = 600.
- That numerical increase at the same price is a rightward shift.

4. Why the correct answer is correct
- Each listed factor (ability, willingness, lower input costs) independently increases aggregate supply. Because all three are valid causes, the option “all of these” correctly captures that any of them would shift AS rightward.

5. Why the other options are not the best single choice
- Each single option is true on its own, but the question asks what would shift AS right. Since multiple distinct causes are correct, choosing any one specific cause is incomplete. “All of these” is the comprehensive correct choice.

6. Conclusion
- Therefore the best answer is “all of these,” which matches the provided correct answer.

What would shift aggregate supply (AS) to the right?单项选择题

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