Macroeconomic Objectives The major macroeconomic issues ✜
economic growth
✜
unemployment
✜
inflation
✜
balance of payments and exchange rates ✦ balance
of payments deficits and surpluses
✦ exchange
rate movements
The Circular Flow of Income ■
The inner flow
The circular flow of income Firms
Factor payments
Consumption of domestically produced goods and services (Cd)
Households
The Circular Flow of Income ■
■
Withdrawals ✜
net saving
✜
net taxes
✜
import expenditure
Injections ✜
investment
✜
government expenditure
✜
export expenditure
The circular flow of income INJECTIONS Export expenditure (X) Investment (I)
Factor payments
Consumption of domestically produced goods and services (Cd)
Government expenditure (G) BANKS, etc
Net saving (S)
GOV.
ABROAD
Import Net expenditure (M) taxes (T)
WITHDRAWALS
The Circular Flow of Income ■
The relationship between injections and withdrawals planned injections may not equal planned withdrawals
■
Equilibrium in the circular flow
■
The circular flow and the four macroeconomic objectives
The circular flow of income INJECTIONS Export expenditure (X) Investment (I)
Factor payments
Consumption of domestically produced goods and services (Cd)
Government expenditure (G) BANKS, etc
Net saving (S)
GOV.
ABROAD
Import Net expenditure (M) taxes (T)
WITHDRAWALS
Measuring national income ■ ■
GDP: the measure of national income Methods of measuring GDP the product approach ✜ the income approach ✜ the expenditure approach ✜
The circular flow of national income and expenditure
The circular flow of national income and expenditure (1) Production
(2) Incomes
(3) Expenditure
Measuring national income ■ ■
GDP: the measure of national income Methods of measuring GDP the product approach ✜ the income approach ✜ the expenditure approach ✜
■
The product approach
Measuring national income ■ ■
GDP: the measure of national income Methods of measuring GDP the product approach ✜ the income approach ✜ the expenditure approach ✜
■
The product approach ✜
measuring GVA
Measuring national income ■ ■
GDP: the measure of national income Methods of measuring GDP the product approach ✜ the income approach ✜ the expenditure approach ✜
■
The product approach ✜
■ ■
measuring GVA
The income approach The expenditure approach
Growth and the Business Cycle ■
Growth in actual and potential growth
■
Economic growth and the business cycle ✜
fluctuations in actual growth
The business cycle
National output
Potential output
Actual output
O
Time
Growth and the Business Cycle ■
Growth in actual and potential output
■
Economic growth and the business cycle ✜
fluctuations in actual growth
✜
the phases of the business cycle
The business cycle
National output
Potential output
3 2
3 4 2
1
1
O
Time
4 Actual output
Growth and the Business Cycle ■
Growth in actual and potential output
■
Economic growth and the business cycle ✜
fluctuations in actual growth
✜
the phases of the business cycle
The business cycle
Potential output
National output
Trend output Actual output
O
Time
Growth and the Business Cycle ■
Growth in actual and potential growth
■
Economic growth and the business cycle
Growth and the Business Cycle ■
Growth in actual and potential growth
■
Economic growth and the business cycle ✜
fluctuations in actual growth
✜
the phases of the business cycle
✜
long-term output trend
✜
the business cycle in practice ✦ the
irregularity of the cycle
✦ the
length of the phases
✦ the
magnitude of the phases
Growth and the Business Cycle ■
■
Causes of fluctuations in actual growth ✜
aggregate demand
✜
aggregate demand relative to potential output
Actual growth in practice ✜
experience since 1970
Growth rates in selected industrial countries 10
UK France
Annual growth rate (%)
9 8
Germany USA
Japan
7 6 5 4 3 2 1 0 -1 -2 -3 1970
1975
1980
1985
1990
1995
2000
Growth and the Business Cycle ■
Causes of potential growth ✜
increases in the quantity of factors ✦ capital ✦ labour ✦ land
and raw materials ✦ the problem of diminishing returns ✜
■
increases in factor productivity
Policies to achieve growth demand-side and supply-side policies ✜ market-orientated policies ✜
Aggregate Demand and Supply ■
The aggregate demand curve
Price level
Aggregate demand and aggregate supply
AD O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect
Price level
Aggregate demand and aggregate supply
AD O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect
✦ interest-rate
effect
Price level
Aggregate demand and aggregate supply
AD O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect
✦ interest-rate ✦ savings
effect
effect
Price level
Aggregate demand and aggregate supply
AD O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect
✦ interest-rate ✦ savings
■
effect
effect
The aggregate supply curve
Aggregate demand and aggregate supply
Price level
AS
AD O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect
✦ interest-rate ✦ savings
■
effect
effect
The aggregate supply curve ✜
Why aggregate supply curves generally slope upwards
Aggregate demand and aggregate supply
Price level
AS
AD O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect
✦ interest-rate ✦ savings
■
effect
The aggregate supply curve ✜
■
effect
Why aggregate supply curves generally slope upwards
Equilibrium
Aggregate demand and aggregate supply
Price level
AS
Pe
AD O National output
Aggregate demand and aggregate supply
Price level
AS
Pe P2
b
a AD
O National output
Aggregate Demand and Supply ■
The aggregate demand curve ✜
Why aggregate demand curves slope downwards ✦ import
effect ✦ interest-rate effect ✦ savings effect ■
The aggregate supply curve ✜
■
Why AS curves generally slope upwards
Equilibrium ✜
Effect of a shift in the AD curve