To determine the natural rate of output, we typically identify it as the level of output where the economy is producing at its full potential, often shown at the intersection of the long-run aggregate supply (LRAS) curve and the aggregate demand (AD) curve.
Without being able to view Figure 33-3, I can't give you a definitive answer. However, in general economic models:
- If Y1 represents a level below the natural rate (e.g., a recession),
- Y2 often represents the natural rate of output (where the economy operates efficiently),
- Y3 may represent an output level above the natural rate (potentially leading to inflationary pressures).
Based on this standard interpretation, if Y2 specifically corresponds to the point where the LRAS intersects with AD, then the answer would be:
b. Y2.
If Y1 and Y3 also reflect the natural full employment level in certain contexts, then d. both Y1 and Y3 could be possible in specific diagrams, but typically, only one point (often Y2) represents the natural rate.
For precise answers, please refer to the specific details of Figure 33-3 in your study materials.