Okun's Law — Smart Financial Analysis
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When unemployment rises above the natural rate, output falls. The Okun coefficient (β) links unemployment changes to output changes. GDP gap = (Actual GDP - Potential GDP) / Potential GDP. The coefficient varies over time and across countries.
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Why: When unemployment rises above the natural rate, output falls. The Okun coefficient (β) measures how much: a 1% increase in the unemployment gap reduces GDP by β% relative to pot...
How: Enter Current Unemployment (%), Natural Unemployment (%), Okun Coefficient (β) to get instant results. Try the preset examples to see how different scenarios affect the outcome, then adjust to match your situation.
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Examples
For educational purposes only — not financial advice. Consult a qualified advisor before making decisions.
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What is Okun's Law?
Okun's Law links unemployment to GDP: GDP gap ≈ -β × (unemployment - natural rate). For the US, β ≈ 2. Published by Arthur Okun in 1962.
Okun Coefficient (US)
Okun's Paper Published
US Natural Rate Est.
1% GDP Gap Cost
Key Takeaways
- GDP Gap = -β × (u - u*)
- US coefficient typically 2
- Natural rate ~4–5% for US
- Used by Fed and policymakers
Did You Know?
• Okun published in Brookings Papers 1962
• Fed uses Okun for output gap estimates
• Coefficient varies by country
• Can break down in jobless recoveries
• 1% GDP gap ≈ $200–500B lost output
• CBO estimates natural rate ~4.1%
How It Works
Formula
(Y - Y*)/Y* ≈ -β × (u - u*). Y = actual GDP, Y* = potential, u = unemployment, u* = natural rate.
Interpretation
Positive unemployment gap (u > u*) → negative output gap (economy below potential).
Policy
Central banks use output gap for monetary policy. Large negative gap → stimulus; positive gap → tightening.
Expert Tips
Coefficient
Use country-specific β (US ~2)
Natural Rate
CBO/BLS publish estimates
Limitations
Rule of thumb, not precise
Forecasting
Use with other indicators
Country Coefficients
| Country | β (approx) |
|---|---|
| United States | 2.0 |
| Germany | 1.5 |
| Japan | 1.3 |
| UK | 2.2 |
| Emerging | 2.5 |
FAQ
What is Okun's Law?
Okun's Law is an empirical relationship between unemployment and GDP: for every 1% unemployment above the natural rate, GDP is roughly 2% below potential. GDP Gap ≈ -β × (u - u*), where β is the Okun coefficient (typically 2 for the US).
How does Okun's Law work?
When unemployment rises above the natural rate, output falls. The Okun coefficient (β) measures how much: a 1% increase in the unemployment gap reduces GDP by β% relative to potential. Formula: (Y - Y*)/Y* ≈ -β × (u - u*).
What is the Okun coefficient?
The Okun coefficient (β) links unemployment changes to output changes. US typically uses β ≈ 2: 1% higher unemployment → 2% lower GDP. It varies by country: Germany ~1.5, Japan ~1.3, UK ~2.2, emerging markets ~2.5.
What is the GDP gap vs unemployment relationship?
GDP gap = (Actual GDP - Potential GDP) / Potential GDP. Okun's Law says this gap is approximately -β × (unemployment - natural rate). Negative gap when unemployment is high; positive when unemployment is below natural.
What are limitations of Okun's Law?
The coefficient varies over time and across countries. It can break down during jobless recoveries, structural shifts, or when labor force participation changes. It is a rule of thumb, not a precise law.
How accurate is Okun's Law historically?
Arthur Okun published the relationship in 1962. It has held reasonably well for the US over decades, though the coefficient has drifted. Useful for policy analysis and forecasting, but not infallible.
Key Stats
US Coefficient
Paper Published
Natural Rate
1% Gap Cost
Sources
Disclaimer: Okun's Law is an empirical relationship. Use for educational and analytical purposes.
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