National Income Accounting

Overview


The national income account equation for a closed equation economy is given by
{% Y = C + I + G %}
where

  • {% Y %} = National Income
  • {% C %} = Consumption
  • {% I %} = Investment
  • {% G %} = Government Expenditure


In the presence of trade with other nations, the equation becomes
{% Y = C + I + G + EX - IM %}
The current account balance is then defined.
{% CA = EX - IM %}

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