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Description: USA: 3 apples cost 1 cell phone, 1/3 cell phone costs one apple Korea: 2 apples cost one cell phone, 1/2 cell phone costs one apple Terms of trade: (maximize product) USA produce apples, Korea produce cell phones. Trade based on comparative advantage. Comparative Advantage
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Description: From trade based on comparative advantage, USA and Korea's PPC shift beyond domestic PPC. Korea can now get 36 units of apples and USA can get 19.5 units of cell phone because of trade. Comparative Advantage and Trade
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Description: There is an inverse relationship between inflation and unemployment. In other words, if inflation decreases, unemployment increases. This is only true in the short term. The curve shifts out (to the right) if AS shifts left. The Phillips Curve
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Description: Workers recognize their nominal wages haven't increased as fast as inflation, wages will increase. Business profits fall to prior level and no more workers will be employed. Unemployment returns to natural level and inflation occurs. The Long-Run Phillips Curve
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The Phillips Curve From Short-Run to Long-Run
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Aggregate Supply Shocks and the Phillips Curve
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Description: The exchange rate is determined by where Supply for dollars intersect Demand for dollars. Market for U.S. Dollars
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Description: Demand of dollars increases by as much as supply of dollars decreases; quantity of dollars stays the same, while the USD appreciates as 1 USD is now worth 7.4 RMB after the shift. Market for U.S. Dollars
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Description: As the demand for Euro increases against the dollar, Euro appreciates and dollar depreciates. The determinants of exchange rates are change in tastes, relative interest rates, political stability, relative income level, relative prices, and speculation. Market for Euros
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Recession in the Extended AS/AD Model
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Description: If short run AS shifts to to the left, price levels will increase, and unemployment will also increase. This is also known as a supply shock. If cost of production increases, firms will cut down production and hire fewer workers. Cost- Push Inflation In the Extended AS/AD Model
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Demand-Pull Inflation In the Extended AS/AD Model
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Keynesian AD/AS Model
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U.S. Automobile Market (with Trade)
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Description: A tariff on imported automobiles raises the price and quantity supplied by American firms, decreases the quantity demanded, and reduces output by foreign car makers. DWL occurs, tariff revenue is collected. U.S. Automobile Market (with Tariffs)
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Stagflation?
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Total Effective Federal Tax Rate 1979 to 2005
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Expansionary Policy Needed!
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Contractionary Policy Needed!
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Fiscal Policy Expansionary vs. Contractionary
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Fiscal Policy Built-In Stability
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Monetary Policy Expansionary vs. Contractionary
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Monetary Policy and the Spending Multiplier
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Market for Loanable Funds
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The Money Market
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Demand for Money
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Crowding-Out Effect
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Crowding-Out of Private Investment Due to Government Deficit Spending
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Relationship Between Loanable Funds / Investment / Crowding-Out
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Federal Funds Market
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The Business Cycle
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National Debt as of March 2008
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The Circular Flow Model A Macro Version
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