Difficulty: Medium

Average Score: 54%

Which description illustrates the nature of the non-accelerating inflation rate of unemployment (NAIRU)?

Rationale

The Phillips curve in the long run illustrates the nature of the non-accelerating inflation rate of unemployment (NAIRU).

The NAIRU represents the level of unemployment at which inflation does not accelerate. This concept is closely associated with the long-run Phillips curve, which suggests that there is no trade-off between inflation and unemployment in the long run, as the economy adjusts to its natural rate of unemployment.

A (Cyclical unemployment in the short run) YOUR ANSWER

Cyclical unemployment refers to fluctuations in unemployment due to economic cycles, such as recessions or expansions. This type of unemployment is temporary and does not reflect the stable relationship represented by the NAIRU, which focuses on long-term unemployment levels rather than short-term economic conditions.

B (Phillips curve in the long run) CORRECT

The long-run Phillips curve illustrates the NAIRU, indicating that at this unemployment rate, inflation remains stable. It emphasizes that any attempt to maintain unemployment below this natural rate will lead to accelerating inflation, thus capturing the essence of the NAIRU concept.

C (Phillips curve in the short run) YOUR ANSWER

The short-run Phillips curve suggests an inverse relationship between inflation and unemployment, but it does not account for long-term trends. While it may temporarily describe the dynamics of inflation and unemployment, it fails to reflect the stable unemployment level represented by the NAIRU.

D (Cyclical unemployment in the long run) YOUR ANSWER

Cyclical unemployment is inherently a short-term phenomenon tied to economic cycles and does not persist in the long run. Therefore, it does not align with the NAIRU, which describes a stable unemployment rate that does not change with inflation over time.

Conclusion

The non-accelerating inflation rate of unemployment (NAIRU) is effectively illustrated by the long-run Phillips curve, indicating a stable relationship between unemployment and inflation. Choices A, C, and D misrepresent this concept by focusing on temporary or short-term dynamics, while B accurately captures the essence of NAIRU as a long-term equilibrium state in the economy.

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