3.7

Long-Run Self-Adjustment

AP Macroeconomics

The Self-Adjustment Mechanism

Recessionary Gap Self-Correction

50100150200250300406080100120140Real GDPPrice LevelE₁ (recession)E₂ (LR equil.)ADSRAS₁SRAS₂LRAS

Recessionary gap self-corrects: high unemployment → wages fall → SRAS shifts right → back to Yf at lower PL

Inflationary Gap Self-Correction

50100150200250300350400406080100120140160Real GDPPrice LevelE₁ (overheating)E₂ (LR equil.)ADSRAS₁SRAS₂LRAS

Inflationary gap self-corrects: low unemployment → wages rise → SRAS shifts left → back to Yf at higher PL

Summary of Self-Adjustment

The Debate: Self-Correct vs. Intervene?

Classical View

Keynesian View

Why Recessionary Gaps Self-Correct Slowly

Why Inflationary Gaps Self-Correct Faster

Long-Run Neutrality of Money

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Common Mistakes