In order to discourage any fall in Aggregate Demand, the Government of India may _____ the _____. (Choose the

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Q. In order to discourage any fall in Aggregate Demand, the Government of India may __________ the __________. (Choose the correct alternative to fill in the blanks) (A) decrease, repo rate (B) increase, reverse repo rate (C) decrease, government expenditure (D) decrease, tax rate

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Concept understanding — Aggregate Demand Equilibrium

Aggregate Demand Equilibrium: The Economy's Balancing Act

Think of a seesaw. On one side sits everything people, firms, and the government want to buy. On the other side sits everything firms produce. When the seesaw is perfectly level — when total spending exactly matches total output — the economy is in equilibrium. That's the core idea.

But why should you care? Because when the seesaw tilts, real things happen. If spending exceeds output, prices rise (inflation). If output exceeds spending, factories shut down and people lose jobs. Equilibrium is the sweet spot where neither happens.

The Precise Meaning

In macroeconomics, Aggregate Demand (AD) is the total planned spending on final goods and services in an economy during a given period. Aggregate Supply (AS) is the total output firms plan to produce.

Equilibrium occurs where:

AD = AS

At this point, what buyers intend to spend exactly equals what sellers intend to produce. No unwanted inventories pile up, and no shortages force prices up. The economy is "at rest."

Y = C + I + G + (X - M)

This is the AD identity from your NCERT textbook. It tells you that total spending in the economy comes from four sources: households, firms, government, and foreigners (net of what we buy from them).

How Equilibrium Actually Works

Imagine a simple economy with only households and firms. Households earn income $Y$ from firms. They spend part of it on consumption $C$ and save the rest $S$ . Firms produce output and also invest $I$ (buying machines, building factories).

Equilibrium condition becomes:

Y = C + I

But households don't spend all their income. They save. So $C = Y - S$ . Substituting:

Y = (Y - S) + I

Which simplifies to:

S = I

Important

In equilibrium, planned savings must equal planned investment. This is the Keynesian cross condition. If people save more than firms invest, total spending falls short of output — inventories pile up, firms cut production, and income falls until savings and investment match again.

The 45° Line Diagram (Describe It)

Draw a graph with Aggregate Demand (AD) on the vertical axis and National Income (Y) on the horizontal axis.

Draw a 45° line from the origin. Every point on this line represents $AD = Y$ — the equilibrium condition.
Draw the AD curve (which is $C + I + G + (X-M)$ ). It slopes upward because as income rises, consumption rises.
Where the AD curve crosses the 45° line — that's the equilibrium point. …

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To prevent a fall in Aggregate Demand, the government needs to boost consumption and investment. Lowering the tax rate puts more disposable income in households' hands and raises firms' post-tax profits, directly stimulating AD. Answer: (D) decrease, tax rate.

Why Aggregate Demand matters

Aggregate Demand is the total planned spending in an economy—consumption by households, investment by firms, government purchases, and net exports. When AD threatens to fall, output and employment contract; the government steps in with fiscal or monetary policy to prop it up.

The question asks which lever the Government of India should pull. Let's examine each option through the lens of how it affects the components of AD.

Evaluating the alternatives

(A) Decrease the repo rate

The repo rate is the rate at which the Reserve Bank of India lends to commercial banks—a monetary policy instrument, not directly a government tool. (The RBI, though government-owned, operates independently on monetary policy.) A lower repo rate does stimulate AD by making credit cheaper, encouraging investment and consumption, but the phrasing "Government of India may decrease the repo rate" is technically imprecise because repo-rate decisions rest with the RBI's Monetary Policy Committee.

(B) Increase the reverse repo rate

The reverse repo rate is what the RBI pays banks for parking surplus funds with it. Raising this rate makes parking money more attractive, pulling liquidity out of the economy—banks lend less, investment and consumption fall. This contracts AD, the opposite of what we want.

(C) Decrease government expenditure

Government expenditure $G$ is itself a component of AD. Cutting $G$ directly reduces Aggregate Demand, worsening the problem.

(D) Decrease the tax rate …

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Q.In order to discourage any fall in Aggregate Demand, the Government of India may __________ the __________. (Choose the correct alternative to fill in the blanks) (A) decrease, repo rate (B) increase, reverse repo rate (C) decrease, government expenditure (D) decrease, tax rate

Why Aggregate Demand matters

Evaluating the alternatives

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Q.In order to discourage any fall in Aggregate Demand, the Government of India may the . (Choose the correct alternative to fill in the blanks) (A) decrease, repo rate (B) increase, reverse repo rate (C) decrease, government expenditure (D) decrease, tax rate

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