Aggregate demand

The characteristics of AD

The total level of spending in an economy at a given price

  • consumption:60%

  • Investment: 15-25%

  • Government spending: 18-20%

  • Net exports: 5%

Consumption

Disposable income: money consumers have lefts after tax

  • important factor in determining level of consumption

  • Poorer people tend to have higher MPC

Other influences on consumer spending

  • Interest rate

  • Consumer confidence

  • Wealth effect

  • Distribution of income

  • Taste and attitudes

Investment

Additional capital stock to the economy

Influence on investment

  • Rate of economic growth

  • Business expectations and confidence

  • Demand for exports

  • Interest rate

  • Influence of government regulations

  • Access to credit

  • Retained profit

  • Technological change

  • Costs

Government spending

Influences on government spending

  • The trade cycle

  • Fiscal policy

  • Age distribution

Net trade

Exports minus imports

Influence on net trade balance

  • Real income

  • Exchange rates

  • State of world economy

  • Degree of protectionism

  • Non price factors

  • Prices