Where on a graph of a production possibilities curve would a point showing that an economy is using its resources efficiently be located?

Question

BlackTom AI · Accepted Answer

Points on the production possibilities frontier (PPF) represent combinations of two goods that fully employ all available resources and technology, so they are efficient.

1. Relevant knowledge points and concepts:
- Production Possibilities Curve (PPC or PPF): a graph showing maximum possible output combinations of two goods given fixed resources and technology.
- Scarcity and trade-offs: producing more of one good requires producing less of the other.
- Efficiency: an allocation is productive (technically) efficient if no more of one good can be produced without producing less of another.
- Inefficiency: points inside the PPF indicate unemployment or underused resources. Unattainable points: combinations outside the PPF cannot be produced with current resources/technology.

2. Step-by-step reasoning:
- Step 1: Draw or imagine the PPF as a bowed-out curve (concave) connecting maximal outputs of each good.
- Step 2: Any point on the curve represents a specific combination where all resources are used; moving along the curve shows trade-offs and opportunity costs.
- Step 3: Because all resources are used and reallocation between goods involves opportunity cost, these points are by definition efficient.
- Step 4: Points inside the curve leave slack — resources could increase production of one or both goods without sacrifice, so they are inefficient. Points outside the curve require more resources or better technology and are unattainable.

3. Calculations:
- No numerical calculation is required; the PPF is a conceptual graph. If given numbers, one would compare outputs to maximums to determine if a point lies on, inside, or outside the curve.

4. Why the correct answer is correct:
- By definition of the PPF, points on the curve use resources fully with no wasted capacity, satisfying productive efficiency.

5. Why other possible options are incorrect:
- Inside the curve: incorrect because resources are not fully used (inefficient).
- Outside the curve: incorrect because such combinations cannot be produced with existing resources/technology (unattainable).

Conclusion: The efficient use of resources is represented by a point on the production possibilities curve. This matches the provided answer: On the production possibilities curve.

Where on a graph of a production possibilities curve would a point showing that an economy is using its resources efficiently be located?单项选择题

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