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Mr. Mayer AP Macroeconomics

Learn about the AS/AD model, equilibrium determination, recessionary and inflationary gaps, AD changes, and SRAS factors in AP Macroeconomics. Discover how adjustments in AD and SRAS impact GDP, price levels, employment, and inflation rates.

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Mr. Mayer AP Macroeconomics

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  1. Mr. MayerAP Macroeconomics The AS/AD Model

  2. The AS/AD Model • The equilibrium of AS & AD determines current output (GDPR) and the price level (PL) LRAS SRAS PL P AD YF GDPR

  3. Full Employment • Full Employment equilibrium exists where AD intersects SRAS & LRAS at the same point. LRAS SRAS PL P AD YF GDPR

  4. Recessionary Gap • A recessionary gap exists when equilibrium occurs below full employment output. SRAS LRAS PL P AD Y YF GDPR

  5. Inflationary Gap • An inflationary gap exists when equilibrium occurs beyond full employment output. LRAS SRAS PL P AD YF Y GDPR

  6. Changes (Δ)in AD • Δ Consumption (C) • C↑ .: AD  .: GDPR↑ & PL↑ .: u%↓ & π%↑ • C↓ .: AD  .: GDPR↓ & PL↓ .: u%↑ & π%↓ • Δ Gross Private Investment (IG) • IG↑ .: AD  .: GDPR↑ & PL↑ .: u%↓ & π%↑ • IG↓ .: AD  .: GDPR↓ & PL↓ .: u%↑ & π%↓ • Δ Government Spending (G) • G↑ .: AD  .: GDPR↑ & PL↑ .: u%↓ & π%↑ • G↓ .: AD  .: GDPR↓ & PL↓ .: u%↑ & π%↓ • Δ Net Exports (XN) • XN↑ .: AD  .: GDPR↑ & PL↑ .: u%↓ & π%↑ • XN↓ .: AD  .: GDPR↓ & PL↓ .: u%↑ & π%↓

  7. Increase in AD SRAS LRAS PL  P1  P AD1 AD  Y YF GDPR C↑, IG↑, G↑ and/or XN↑ .: AD  .: GDPR↑ & PL↑ .: u%↓ & π%↑

  8. Decrease in AD LRAS PL SRAS  P  P1 AD AD1  YF Y GDPR C↓, IG↓, G↓ and/or XN↓ .: AD  .: GDPR↓ & PL↓ .: u%↑ & π%↓

  9. Changes (Δ)in SRAS • Δ Input Prices • Input Prices↓ .: SRAS  .: GDPR↑ & PL↓ .: u%↓ & π%↓ • Input Prices↑ .: SRAS  .: GDPR↓ & PL ↑ .: u%↑ & π%↑ • Δ Productivity • Productivity↑ .: SRAS  .: GDPR↑ & PL↓ .: u%↓ & π%↓ • Productivity↓ .: SRAS  .: GDPR↓ & PL ↑ .: u%↑ & π%↑ • Δ Legal-Institutional Environment • Deregulation .: SRAS  .: GDPR↑ & PL↓ .: u%↓ & π%↓ • Regulation .: SRAS  .: GDPR↓ & PL ↑ .: u%↑ & π%↑

  10. Increase in SRAS SRAS LRAS PL SRAS1  P  P1 AD  Y YF GDPR Input Prices↓, Productivity↑, and/or Deregulation .: SRAS  .: GDPR↑ & PL↓ .: u%↓ & π%↓

  11. Decrease in SRAS SRAS1 LRAS PL SRAS  P1  P AD  Y1 YF GDPR Input Prices↑, Productivity↓, and/or Regulation .: SRAS  .: GDPR↓ & PL↑ .: u%↑ & π%↑

  12. AS / AD Summary • ΔC, ΔIG, ΔG, and/or ΔXN = Δ AD • AD  .: GDPR↑ & PL↑ .: u%↓ & π%↑ • AD  .: GDPR↓ & PL↓ .: u%↑ & π%↓ • Δ Input Prices, Δ Productivity, and/or Δ Regulation = Δ SRAS • SRAS  .: GDPR↑ & PL↓ .: u%↓ & π%↓ • SRAS  .: GDPR↓ & PL ↑ .: u%↑ & π%↑ • The AS/AD Model is the most important graph in AP Macroeconomics. • KNOW IT!!!

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