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SubjectsEconomics
समग्र मांग और उसके घटक
In Class 12 Economics, this topic explains aggregate demand as the total planned expenditure on goods and services in an economy at a given income level. Students study its main components—consumption expenditure, investment, government expenditure and net exports—and understand how they combine as AD = C + I + G + (X − M). The topic connects changes in these components with equilibrium income, output and employment under the chapter Determination of Income and Employment.
TOPIC PRACTICE
Up to 3 questions from this page. Select your focus, then start.
Aggregate demand is the total planned demand for final goods and services in an economy during a given period. It includes consumption, investment, government expenditure, and net exports in an open economy, so it is a central macroeconomic variable rather than one buyer’s demand.
Aggregate consumption and investment are major components of aggregate demand. Changes in them can alter firms’ sales, production, national income, and employment through the income-expenditure process and multiplier effect. Therefore, macroeconomics studies their economy-wide effects, not merely personal preferences.
The relationship between aggregate income and aggregate expenditure is central to the theory of income determination. In a macroeconomic model, the level of national income tends to settle where planned aggregate expenditure equals aggregate output or income. If expenditure is greater than output, firms may increase production; if it is lower, production and income may fall. Therefore, option C is correct.
QUIZ COMPLETE
