Difficulty: Easy

Average Score: 85%

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 long-run Phillips curve represents the relationship between inflation and unemployment when the economy is at its potential output, indicating that NAIRU is a stable rate of unemployment that does not accelerate inflation.

A (Phillips curve in the short run) YOUR ANSWER

The short-run Phillips curve shows a trade-off between inflation and unemployment, suggesting that lower unemployment can lead to higher inflation. However, this relationship is not sustainable in the long run, as expectations adjust and the economy returns to NAIRU, making this choice inaccurate for describing NAIRU.

B (Phillips curve in the long run) CORRECT

The long-run Phillips curve reflects the concept of NAIRU, indicating that when unemployment is at this natural rate, inflation does not accelerate. It represents a point where the economy can operate without upward pressure on inflation, thus accurately describing the nature of NAIRU.

C (Cyclical unemployment in the long run) YOUR ANSWER

Cyclical unemployment refers to unemployment resulting from economic downturns, which is typically temporary and fluctuates with the business cycle. In the long run, the economy tends to return to NAIRU, where cyclical unemployment does not play a significant role, making this choice misleading.

D (Cyclical unemployment in the short run) YOUR ANSWER

While cyclical unemployment may exist in the short run during economic fluctuations, it does not address the concept of NAIRU, which pertains to a stable unemployment rate in the long run. This choice fails to capture the essence of NAIRU as it does not consider the adjustments that occur over time.

Conclusion

NAIRU is effectively illustrated by the long-run Phillips curve, which indicates the stable unemployment rate at which inflation remains constant. In contrast, the short-run Phillips curve and the concepts of cyclical unemployment do not adequately capture this long-term relationship. Understanding NAIRU is crucial for policymakers aiming to balance inflation and unemployment effectively.

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