Level of planned output coincides with planned expenditure when:
(AD = Aggregate Demand. AS= Aggregate Suplly)
Level of planned output coincides with planned expenditure when:
(AD = Aggregate Demand. AS= Aggregate Suplly)
Solution
Option 1: AD=AS -> This represents equilibrium where planned expenditure equals planned output.
Option 2: AD>AS -> Excess demand situation where planned expenditure exceeds planned output, leading to inventory depletion.
Option 3: AD < AS -> Excess supply situation where planned output exceeds planned expenditure, leading to inventory accumulation.
Option 4: Income is Zero -> This is not a relevant condition for equilibrium between planned output and expenditure.
Hence, Option 1: AD=AS -> In macroeconomic equilibrium, the level of planned output (Aggregate Supply) must equal the level of planned expenditure (Aggregate Demand). This is the point where the economy is in balance - what producers plan to produce exactly matches what consumers, businesses, and government plan to spend. At this equilibrium point, there is no unplanned inventory accumulation or depletion, and the economy has no inherent tendency to change output levels. This is a fundamental concept in Keynesian economics and represents the equilibrium level of national income. -> correct
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