Measure the level of ex-ante aggregate demand when autonomous investment and consumption expenditure (A) is Rs 80 crores, and MPC is 0.75.
Measure the level of ex-ante aggregate demand when autonomous investment and consumption expenditure (A) is Rs 80 crores, and MPC is 0.75.
Solution
Option 1 -> Does not account for the multiplier effect on autonomous expenditure.
Option 2 -> Incorrect multiplier calculation applied to autonomous expenditure.
Option 3 -> Correctly applies multiplier (k = 1/(1-MPC) = 4) to autonomous expenditure (80 × 4 = 320).
Option 4 -> Incorrectly doubles the correct aggregate demand value.
Hence, Option 3: 320 crore -> The ex-ante aggregate demand is calculated using the formula: Y = k × A, where k is the multiplier = 1/(1-MPC) = 1/(1-0.75) = 1/0.25 = 4. Therefore, Y = 4 × 80 = 320 crores. The multiplier effect amplifies the initial autonomous expenditure by a factor of 4, resulting in an aggregate demand of Rs 320 crores. -> correct
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