How will a reduction in the national unemployment rate affect a nation’s production possibilities frontier (PPF)?

Question

BlackTom AI · Accepted Answer

A production possibilities frontier (PPF) represents the maximum combinations of two goods a nation can produce given its resources and technology. Points on the curve indicate full employment and productive efficiency; points inside the curve indicate unemployed or underutilized resources; points outside are unattainable with current resources and technology.

1. Relevant knowledge points and concepts
- PPF definition and interpretation (on-curve = efficient/full employment; inside = inefficiency/unemployment; outside = unattainable).
- What shifts the PPF: changes in resource quantities or technology shift the curve outward or inward. Changes in utilization move the economy between points relative to the curve.

2. Step-by-step reasoning
- Step 1: If the national unemployment rate falls, more workers become employed and more productive resources are used.
- Step 2: Using more of the existing resources moves production from an inefficient point (inside the PPF) toward the frontier where resources are fully used.
- Step 3: If unemployment is reduced enough to achieve full employment, the economy reaches a point on the PPF. If not fully eliminated, production simply moves closer to the PPF but may remain inside.
- Step 4: Because no additional resources or technology are introduced, the PPF itself does not shift.

3. Calculations
- No numerical calculation is required; reasoning is qualitative based on movements between regions relative to the PPF.

4. Why the correct answer is correct
Reducing unemployment increases resource utilization, so the economy moves outward relative to its previous position—that is, closer to or onto the existing PPF—without shifting the frontier itself.

5. Why the other options are incorrect
- (a) Inward shift: would require a loss of resources or worse technology, not reduced unemployment.
- (b) Outward shift: requires more resources or better technology; utilization changes do not shift the curve.
- (d) Point outside PPF: unattainable without new resources or technology.

Conclusion: The correct choice is c. It will move the nation outward, to a point closer to or on the PPF, which matches the provided answer.

How will a reduction in the national unemployment rate affect a nation’s production possibilities frontier (PPF)?单项选择题

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