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Published byAsher Reynolds Modified over 9 years ago
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Circular Flow – economic model showing income and product movements Product markets Goods and services Total value of output Factor (input or resource) markets Resources Factor payments = Income wages rent interest profits
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Expenditures: GDP = C + I + G + Xn C = consumer spending = f(income, interest rates) Taxes (T) Consumer confidence I = Business spending on plant and equipment (Investment) = f(interest rates, expected profits): Saving is necessary Expectations of sales and profits Technology Business taxes Government sector (G): Government spending on public goods = f(votes) Foreign sector: Net Exports (Xn) = Exports (X) – Imports (Im)= f(exchange rates) Exchange rates: rate at which two currencies trade Exports: goods purchased buy foreigners Imports: goods we purchase from foreigners Income: GDP = C + S + T
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Aggregate Demand – total dollar value of all planned expenditures AD Curve – inverse relationship between the price level (GDP Price Deflator) and total quantity demanded Shifts Components Money Supply
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Aggregate Supply – Real domestic output offered for sale by producers AS Curve - positive relationship between the price level (GDP Price Deflator) and total quantity Shifts Resource prices Productivity Technology Education Legislation Regulations External shocks – come from outside the borders War – security costs OPEC Oil price increases 911 Internal shocks Weather and natural disasters Labor unions go on strike Population Immigration Age
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Equilibrium: Total quantity demanded = Total quantity supplied Intersection of AD and AS
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Natural (Potential) Real GDP: Economy is healthy Full employment Anticipated inflation 80 % Capacity
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Gaps Contractionary Gap: Actual GDP < Natural (Potential) GDP Sluggish economy Unemployment Could lead to a recession or depression Expansionary Gap: Actual GDP > Natural (Potential) GDP Overheating economy Overemployment Could lead to inflation
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