4. The Macroeconomy
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4.1 National income statistics
• Meaning of national income
• Measurement of national income: - Gross Domestic Product (GDP) - Gross National Income (GNI) - Net National Income (NNI)
• Adjustment of measures from market prices to basic prices
• Adjustment of measures from gross values to net values
4.2 Introduction to the circular flow of income
• Circular flow of income in a closed economy and an open economy: the flow of income between households, firms and government and the international economy
• Injections and leakages (multiplier not required)
• Equilibrium and disequilibrium (marginal and average propensities not required)
4.3 Aggregate Demand and Aggregate Supply analysis
4.3.1Aggregate Demand
• Definition of Aggregate Demand (AD)
4.3.2AD components
• Components of AD and their meanings: AD = C + I + G + (X - M)
4.3.3AD determinants
• Determinants of AD (detailed knowledge of the components of AD is not required)
4.3.4AD curve shape
• Shape of the AD curve (downward sloping)
4.3.5AD shifts
• Causes of a shift in the AD curve
4.3.6Aggregate Supply
• Definition of Aggregate Supply (AS)
4.3.7AS determinants
• Determinants of AS
4.3.8SRAS and LRAS shape
• Shape of the AS curve in the short run (SRAS, upward sloping line or sweeping curve) and the long
4.3.9AS shifts
• Causes of a shift in the AS curve in the short run (SRAS) and in the long run (LRAS)
4.3.10AD/AS shifts vs movements
• Distinction between a movement along and a shift in AD and AS
4.3.11AD/AS equilibrium
• Establishment of equilibrium in the AD/AS model and the determination of the level of real output, the price level and employment
4.3.12AD/AS shift effects
• Effects of shifts in the AD curve and the AS curve on the level of real output, the price level and employment
4.4 Economic growth
• Meaning of economic growth
• Measurement of economic growth
• Distinction between growth in nominal GDP and real GDP
• Causes of economic growth
• Consequences of economic growth
4.5 Unemployment
• Meaning of unemployment
• Measures of unemployment, with reference to possible difficulties in measurement
• Causes and types of unemployment: frictional, structural, cyclical, seasonal and technological
• Consequences of unemployment
4.6 Price stability
• Definition of inflation, deflation and disinflation
• Measurement of changes in the price level: - consumer price index (CPI) - possible difficulties in measurement
• Distinction between money values (nominal) and real data
• Causes of inflation: cost-push and demand-pull inflation
• Consequences of inflation