CUET UG Economics Booster Test 2 - Investment and Aggregate Demand -

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CUET UG Economics Booster Test 2 - Investment and Aggregate Demand

⏱️ 30 Minutes

❓ 20 Questions

📌 Answers are locked once submitted — results and explanations appear at the end.

CUET UG Economics Booster Test 2 - Investment and Aggregate Demand

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QUESTION 1 OF 20

Which statements accurately describe capital formation (investment) in a macroeconomic context?
Statements:
1. It strictly excludes changes in the inventory of a producer.
2. It includes the addition to the stock of physical capital such as machines, factories, roads, and buildings.
3. It adds to the future productive capacity of the economy.
4. Machines produced for investment purposes are treated as intermediate goods.

Answer Review

1 Which statements accurately describe capital formation (investment) in a macroeconomic context?
Statements:
1. It strictly excludes changes in the inventory of a producer.
2. It includes the addition to the stock of physical capital such as machines, factories, roads, and buildings.
3. It adds to the future productive capacity of the economy.
4. Machines produced for investment purposes are treated as intermediate goods.

A 1 and 2 only

B 2 and 3 only

C 3 and 4 only

D 1, 2 and 4 only

💡 Short Explanation

Investment includes additions to both fixed capital and inventories. Capital formation increases the future productive capacity of the economy. Capital goods are treated as final goods, not intermediate goods.

✅ Correct Answer Explanation

Evaluate each statement: Statement 1: Incorrect. Investment includes changes in inventories along with additions to fixed capital. Statement 2: Correct. Capital formation includes additions to physical capital such as machines, factories, roads, and buildings. Statement 3: Correct. Investment expands the economy's future productive capacity by increasing its capital stock. Statement 4: Incorrect. Machines produced for investment purposes are final goods, as they are used repeatedly in production and are not completely consumed during the current accounting year. Therefore, only Statements 2 and 3 are correct. Hence, Option B is the correct answer.

❓ Why Other Options Are Incorrect

Option A: Incorrect because Statement 1 is false.
Option C: Incorrect because Statement 4 is false.
Option D: Incorrect because Statements 1 and 4 are false.

🎯 Strategy

Statement Verification

Application:

Evaluate each statement independently using the NCERT definition of investment (capital formation).

Final Logic:

Only Statements 2 and 3 are correct; therefore, Option B is the correct answer

🧠 Memory Trick

"Investment = Inventories + Infrastructure + Increased Capacity."

📚 Chapter: Determination of Income and Employment

2 A producer plans to add Rs. 200 worth of goods to her inventory. Due to poor market response, she sells Rs. 50 less than planned. What is her ex post inventory investment?

A Rs. 150

B Rs. 200

C Rs. 250

D Rs. 50

💡 Short Explanation

Lower-than-expected sales leave additional goods unsold. These unsold goods become unplanned inventory. Therefore, actual (ex post) inventory exceeds planned inventory.

✅ Correct Answer Explanation

The producer planned to increase inventory by: Rs. 200 However, due to poor market demand, sales were Rs. 50 less than expected. The unsold goods remain in inventory, so Ex Post Inventory=200+50=Rs. 250 Hence, Option C is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because it assumes inventory decreased.
Option B) Incorrect because it ignores the additional unsold stock.
Option D) Incorrect because Rs. 50 represents the shortfall in sales, not the final inventory.

🎯 Strategy

Used

Application-Based Calculation

Application:

Add the unexpected unsold goods to the planned inventory.

Final Logic:

200+50=250
Therefore, Option C is correct.

🧠 Memory Trick

"Poor Sales → More Stock."

📚 Chapter: Determination of Income and Employment

3 Fixed capital refers to 'investment goods' such as machines that are part of the final goods, because they are not used up to produce other goods but yield their services over ____________.

A exactly one accounting year

B the period of inventory accumulation

C a brief exogenous phase

D a number of years

💡 Short Explanation

Fixed capital goods are durable assets. They are used repeatedly in production. Their productive services extend over many years.

✅ Correct Answer Explanation

Fixed capital includes machinery, equipment, buildings and other durable assets. Unlike intermediate goods, these capital goods are not consumed in a single production cycle. Instead, they continue to provide productive services over several years. Therefore, the correct completion is: "a number of years." Hence, Option D is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because fixed capital lasts much longer than one accounting year.
Option B) Incorrect because inventory accumulation is unrelated to the life of fixed capital.
Option C) Incorrect because "exogenous phase" has no relevance to the durability of capital goods.

🎯 Strategy

Used

Concept Identification

Application:

Recall the defining characteristic of fixed capital goods.

Final Logic:

Fixed capital provides services over a number of years, making Option D correct.

🧠 Memory Trick

"Fixed Capital = Long Life."

📚 Chapter: Determination of Income and Employment**

4 Match the scenarios with the resulting inventory status.

List I	List II
1. Unforeseen upsurge of demand	a. Unintended accumulation of inventories
2. Sluggish market demand, poor sales	b. Planned inventory investment
3. Maintaining safety stock intentionally	c. Actual sales matching planned sales exactly
4. Ex post inventory equals ex ante inventory	d. Negative unplanned inventory investment

A 1-d, 2-a, 3-b, 4-c

B 1-b, 2-c, 3-a, 4-d

C 1-a, 2-d, 3-c, 4-b

D 1-c, 2-b, 3-d, 4-a

💡 Short Explanation

Unexpected high demand depletes inventories. Poor sales increase inventories unintentionally. Safety stock is a planned inventory. Equal planned and actual inventories indicate no unplanned inventory change.

✅ Correct Answer Explanation

The correct matching is: 1. Unforeseen upsurge of demand → d. Negative unplanned inventory investment 2. Sluggish market demand, poor sales → a. Unintended accumulation of inventories 3. Maintaining safety stock intentionally → b. Planned inventory investment 4. Ex post inventory equals ex ante inventory → c. Actual sales matching planned sales exactly Thus, the correct sequence is: 1-d, 2-a, 3-b, 4-c Hence, Option A is correct.

❓ Why Other Options Are Incorrect

Option B) Incorrect because maintaining safety stock is planned inventory, not unintended accumulation.
Option C) Incorrect because an upsurge in demand causes inventory depletion, not accumulation.
Option D) Incorrect because actual inventory matching planned inventory implies no unplanned inventory adjustment.

🎯 Strategy

Used

Option Grouping

Application:

Identify whether each situation leads to planned inventory, unintended accumulation, or depletion.

Final Logic:

Only Option A correctly matches every scenario.

🧠 Memory Trick

"High Demand → Stock Falls; Poor Sales → Stock Rises."

📚 Chapter: Determination of Income and Employment

5 For simplifying the determination of income in the short run, what specifically does the assumption I=Iindicate?

A Investment increases directly with the interest rate.

B Investment demand remains fixed irrespective of the level of output or income.

C Investment adjusts exactly to match unintended inventory changes.

D Investment linearly depends on the marginal propensity to consume.

💡 Short Explanation

The simple Keynesian model assumes autonomous investment. Autonomous investment does not depend on current income. It is represented by a constant value Ī.

✅ Correct Answer Explanation

The assumption I=I means investment is autonomous and remains fixed during the analysis. It is treated as an exogenous variable, independent of current national income or output. Therefore, Option B is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because investment is inversely, not directly, related to the interest rate in reality.
Option C) Incorrect because inventory adjustments are consequences of disequilibrium, not the definition of autonomous investment.
Option D) Incorrect because investment does not depend on MPC.

🎯 Strategy

Used

Concept Identification

Application:

Recall the meaning of autonomous investment in the two-sector Keynesian model.

Final Logic:

Since Ī is independent of income, Option B is correct.

🧠 Memory Trick

"Bar over I = Income Doesn't Matter."

📚 Chapter: Determination of Income and Employment

6 Arrange the logical sequence showing the role of exogenous investment in determining equilibrium.
Statements:
1. The sum is denoted as total autonomous expenditure (A).
2. C and I are summed up.
3. A is added to induced consumption (cY) to form Aggregate Demand.
4. Exogenous investment I is established independently of income.

A 4, 2, 1, 3

B 2, 4, 1, 3

C 1, 4, 2, 3

D 4, 1, 2, 3

💡 Short Explanation

Investment is first assumed to be autonomous and independent of income. It is combined with autonomous consumption. Their sum is called autonomous expenditure. Autonomous expenditure and induced consumption together determine Aggregate Demand.

✅ Correct Answer Explanation

The logical argument begins by establishing that exogenous investment (I) is independent of income (4). Once autonomous investment is identified, it is added to autonomous consumption (C) (2). The resulting sum is defined as total autonomous expenditure (A) (1). Finally, autonomous expenditure is combined with induced consumption (cY) to obtain Aggregate Demand (3). Thus, the correct logical sequence is: 4 → 2 → 1 → 3 Hence, Option A is the correct answer.

❓ Why Other Options Are Incorrect

Option B → Incorrect because it adds C and I before identifying that investment is autonomous.
Option C → Incorrect because autonomous expenditure cannot be named before C and I are added.
Option D → Incorrect because it defines autonomous expenditure before performing the addition of C and I.

🎯 Strategy

Used

Sequential Logic

Application: Begin with the independent component (I), then perform the mathematical operation, define the resulting term, and finally use it to derive Aggregate Demand.

Final Logic: The progression is Independent Investment → Addition → Autonomous Expenditure → Aggregate Demand, corresponding to 4 → 2 → 1 → 3.

🧠 Memory Trick

(I → C+I→ A→ AD)

📚 Class XII – Introductory Macroeconomics – Chapter: Determination of Income and Employment – Topic: Autonomous Expenditure and Aggregate Demand

7 Assertion (A): At higher interest rates, firms tend to lower investment.
Reason (R): Interest rate represents the cost of investible funds for producers.

A Both true, R explains A

B Both false

C A true, R false

D A false, R true

💡 Short Explanation

A higher interest rate increases the cost of borrowing. As borrowing becomes more expensive, firms reduce investment. Thus, the Reason correctly explains the Assertion.

✅ Correct Answer Explanation

The Assertion is true because firms generally reduce investment when interest rates increase, as borrowing funds becomes more costly. The Reason is also true because the interest rate represents the cost of investible funds. Higher borrowing costs reduce the profitability of investment projects. Therefore, the Reason correctly explains the Assertion. Hence, Option A is the correct answer.

❓ Why Other Options Are Incorrect

Option B) Incorrect because both statements are true.
Option C) Incorrect because the Reason is true.
Option D) Incorrect because the Assertion is also true.

🎯 Strategy

Used

Assertion–Reason Analysis

Application:

Evaluate the truth of both statements and determine whether the Reason explains the Assertion.

Final Logic:

Higher interest rates increase borrowing costs, discouraging investment. Therefore, Option A is correct.

🧠 Memory Trick

"High Interest → High Cost → Low Investment."

📚 Chapter: Determination of Income and Employment

8 An important factor influencing a firm's investment decision is the availability of credit; easy availability of credit generally __________ investment.

A eliminates

B limits

C encourages

D has no effect on

💡 Short Explanation

Easy credit makes borrowing easier. Lower financial constraints encourage firms to invest more. Hence, easy credit promotes investment.

✅ Correct Answer Explanation

Investment decisions depend not only on the interest rate but also on the availability of credit. When credit is easily available: Firms can obtain loans more easily. Financing investment projects becomes simpler. Planned investment generally increases. Therefore, easy credit encourages investment, making Option C correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because easy credit does not eliminate investment.
Option B) Incorrect because easy credit increases rather than limits investment.
Option D) Incorrect because credit availability significantly influences investment decisions.

🎯 Strategy

Used

Concept Identification

Application:

Recall the determinants of investment discussed in the Keynesian model.

Final Logic:

Easy credit promotes investment, making Option C correct.

🧠 Memory Trick

"Easy Credit = Easy Investment."

📚 Chapter: Determination of Income and Employment

9 In a simple two-sector model without a government, which identities hold true at equilibrium?
Statements:
1. Y=C+I+G
2. Y=A+cY
3. AD=C+I+cY
4. GDP is identically equal to National Income.

A 1, 2 and 3

B 1 and 4 only

C 2 and 3 only

D 2, 3 and 4

💡 Short Explanation

Government expenditure is absent in the two-sector model. Aggregate Demand equals autonomous expenditure plus induced consumption. GDP equals National Income when there are no indirect taxes or subsidies.

✅ Correct Answer Explanation

Evaluate each statement: Statement 1: Incorrect. In a two-sector model, government expenditure (G) is excluded. The equilibrium condition is not Y=C+I+G. Statement 2: Correct. Y=A+cY is the equilibrium equation. Statement 3: Correct. AD=C+I+cY is the Aggregate Demand function. Statement 4: Correct. Without government taxes and subsidies, GDP is identically equal to National Income. Thus, the correct combination is 2, 3 and 4, making Option D correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because Statement 1 includes government expenditure.
Option B) Incorrect because Statement 1 is false.
Option C) Incorrect because Statement 4 is also correct.

🎯 Strategy

Used

Statement Elimination

Application:

Evaluate each statement using the assumptions of the simple two-sector Keynesian model.

Final Logic:

Only Statements 2, 3 and 4 are correct, making Option D the correct answer.

🧠 Memory Trick

"Two Sectors = No G."

📚 Chapter: Determination of Income and Employment

10 Match the structural parameters of the two-sector model with their graphical features.

List I	List II
1. Autonomous consumption (C̄)	a. Horizontal line above the X-axis
2. Marginal Propensity to Consume (c)	b. Intercept of the consumption function on the Y-axis
3. Autonomous Investment (Ī)	c. 45-degree line passing through origin
4. Aggregate Supply (Y)	d. Slope of the consumption function curve (tan α)

A 1-b, 2-c, 3-a, 4-d

B 1-b, 2-d, 3-a, 4-c

C 1-a, 2-d, 3-b, 4-c

D 1-d, 2-a, 3-c, 4-b

💡 Short Explanation

Autonomous consumption is the Y-axis intercept. MPC is represented by the slope of the consumption function. Autonomous investment is a horizontal line. Aggregate Supply is shown by the 45-degree line.

✅ Correct Answer Explanation

The correct matching is: 1. Autonomous consumption (C̄) → b. Intercept of the consumption function on the Y-axis 2. Marginal Propensity to Consume (c) → d. Slope of the consumption function curve (tan α) 3. Autonomous Investment (Ī) → a. Horizontal line above the X-axis 4. Aggregate Supply (Y) → c. 45-degree line passing through origin Thus, the correct sequence is: 1-b, 2-d, 3-a, 4-c Hence, Option B is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because MPC is represented by the slope, not the 45-degree line.
Option C) Incorrect because autonomous consumption is the Y-axis intercept, not a horizontal line.
Option D) Incorrect because Aggregate Supply is represented by the 45-degree line, not the Y-axis intercept.

🎯 Strategy

Used

Option Grouping

Application:

Match each graphical feature with its corresponding parameter in the two-sector Keynesian model.

Final Logic:

Only Option B correctly matches all four graphical features.

🧠 Memory Trick

"Intercept–Slope–Horizontal–45°."

📚 Chapter: Determination of Income and Employment

11 Given C=50, c=0.6, and I=30, what is the value of Aggregate Demand when income (Y) is 200?

A 150

B 170

C 200

D 230

💡 Short Explanation

Aggregate Demand is calculated as: AD=C+cY+I Substitute the given values. The calculated Aggregate Demand equals 200.

✅ Correct Answer Explanation

The Aggregate Demand equation is: AD=C+cY+I Substituting the given values, AD=50+(0.6×200)+30AD=50+120+30=200 Therefore, Aggregate Demand equals 200. Hence, Option C is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because it ignores part of the autonomous expenditure.
Option B) Incorrect because the induced consumption is calculated incorrectly.
Option D) Incorrect because it overestimates Aggregate Demand.

🎯 Strategy

Used

Substitution

Application:

Substitute the given values into the Aggregate Demand equation.

Final Logic:

AD=50+120+30=200
Therefore, Option C is correct.

🧠 Memory Trick

"AD = C̄ + cY + Ī."

📚 Chapter: Determination of Income and Employment

12 Arrange the steps for determining Aggregate Demand algebraically.
Statements:
1. Add autonomous consumption and autonomous investment to get Ā.
2. Identify the consumption function C=C+cY.
3. Identify autonomous investment I=I.
4. Form the Aggregate Demand equation AD=A+cY.

A 2, 3, 1, 4

B 3, 2, 4, 1

C 1, 4, 2, 3

D 2, 1, 3, 4

💡 Short Explanation

First identify the consumption function. Then identify autonomous investment. Combine them to obtain autonomous expenditure. Finally derive the Aggregate Demand equation.

✅ Correct Answer Explanation

The derivation follows these steps: 1. Identify C=C+cY 1. Identify I=I 1. Combine autonomous consumption and autonomous investment: A=C+I 1. Write AD=A+cY Thus, the correct sequence is: 2 → 3 → 1 → 4 Hence, Option A is correct.

❓ Why Other Options Are Incorrect

Option B) Incorrect because Aggregate Demand cannot be formed before autonomous expenditure.
Option C) Incorrect because autonomous expenditure cannot be obtained before identifying both functions.
Option D) Incorrect because investment should be identified before combining autonomous components.

🎯 Strategy

Used

Sequential Logic

Application:

Arrange the algebraic derivation of Aggregate Demand step by step.

Final Logic:

Consumption → Investment → Ā → AD, making Option A correct.

🧠 Memory Trick

"C → I → Ā → AD."

📚 Chapter: Determination of Income and Employment

13 In the equation
Y=A+cY,
the term Aconsolidates two autonomous terms, which implies Ais the total ______________ in the economy.

A marginal spending

B variable investment

C autonomous expenditure

D induced consumption

💡 Short Explanation

Ā combines autonomous consumption and autonomous investment. It is independent of income. Therefore, it represents total autonomous expenditure.

✅ Correct Answer Explanation

Autonomous expenditure is defined as A=C+I where: C̄ = Autonomous Consumption Ī = Autonomous Investment Since both are independent of income, Ā represents total autonomous expenditure. Hence, Option C is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because Ā is not marginal spending.
Option B) Incorrect because Ā includes autonomous consumption as well.
Option D) Incorrect because induced consumption is represented by cY.

🎯 Strategy

Used

Concept Identification

Application:

Recall the definition of autonomous expenditure used in the Keynesian model.

Final Logic:

A=C+I
Therefore, Option C is correct.

🧠 Memory Trick

"Ā = Auto Consumption + Auto Investment."

📚 Chapter: Determination of Income and Employment

14 Between the two components of autonomous expenditure (C and I), how do their behavioral stabilities compare over time?

A Both are highly volatile and change daily.

B I is stable while C experiences extreme periodic fluctuations.

C Both strictly remain constant indefinitely.

D C remains more or less stable, whereas I undergoes periodic fluctuations.

💡 Short Explanation

Autonomous consumption is generally stable because it reflects basic consumption needs. Autonomous investment varies due to changes in business expectations and economic conditions. Therefore, Option D is correct.

✅ Correct Answer Explanation

Autonomous expenditure consists of: Autonomous Consumption (C), which represents subsistence or basic consumption and remains relatively stable over time. Autonomous Investment (I), which depends on business expectations, technological changes, and market conditions and therefore undergoes periodic fluctuations. Hence, Option D correctly describes their behaviour.

❓ Why Other Options Are Incorrect

Option A) Incorrect because autonomous consumption is not highly volatile.
Option B) Incorrect because the behaviour of C and I is reversed.
Option C) Incorrect because autonomous investment does fluctuate over time.

🎯 Strategy

Used

Concept Identification

Application:

Recall the characteristics of the two autonomous components discussed in the Keynesian model.

Final Logic:

Since C is relatively stable and I fluctuates periodically, Option D is correct.

🧠 Memory Trick

"Consumption is Calm; Investment Changes."

📚 Chapter: Determination of Income and Employment

15 Regarding the equilibrium condition Y=AD, which statements are true?
Statements:
1. Y represents the ex ante output or planned supply.
2. AD represents ex ante or planned aggregate demand.
3. Supply equals demand only when the final goods market is in equilibrium.
4. This equation is merely an accounting identity that holds true in all situations.

A 1, 2 and 4

B 1, 2 and 3

C 2, 3 and 4

D 1 and 4 only

💡 Short Explanation

Y=AD is the equilibrium condition in the goods market. It equates planned supply with planned demand. It is not an accounting identity that always holds.

✅ Correct Answer Explanation

Evaluate each statement: Statement 1: Correct. Y represents planned (ex ante) output or supply. Statement 2: Correct. AD represents planned aggregate demand. Statement 3: Correct. The equality Y=AD exists only when the final goods market is in equilibrium. Statement 4: Incorrect. This is an equilibrium condition, not an accounting identity. The accounting identity relates actual (ex post) output and demand. Thus, the correct combination is 1, 2 and 3, making Option B correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because Statement 4 is false.
Option C) Incorrect because Statement 4 is false.
Option D) Incorrect because Statement 4 is incorrect and Statements 2 and 3 are omitted.

🎯 Strategy

Used

Statement Elimination

Application:

Differentiate between the equilibrium condition and the accounting identity.

Final Logic:

Only Statements 1, 2 and 3 are correct, making Option B the correct answer.

🧠 Memory Trick

"Ex Ante Equality = Equilibrium, Ex Post Equality = Identity."

📚 Chapter: Determination of Income and Employment

16 Match the states of the economy with their consequences.

List I	List II
1. Ex ante Demand = Ex ante Supply	a. Unintended piling up of inventories
2. Ex ante Demand < Planned Output	b. Final goods market is in equilibrium
3. Ex ante Demand > Planned Output	c. Ex post identity always holds true
4. Actual Output = Actual Demand (Accounting)	d. Unintended depletion of inventories

A 1-b, 2-a, 3-d, 4-c

B 1-c, 2-b, 3-a, 4-d

C 1-a, 2-d, 3-c, 4-b

D 1-d, 2-c, 3-b, 4-a

💡 Short Explanation

Equal planned demand and supply indicate equilibrium. Lower demand than output causes inventory accumulation. Higher demand than output causes inventory depletion. Actual output always equals actual demand as an accounting identity.

✅ Correct Answer Explanation

The correct matching is: 1. Ex ante Demand = Ex ante Supply → b. Final goods market is in equilibrium 2. Ex ante Demand < Planned Output → a. Unintended piling up of inventories 3. Ex ante Demand > Planned Output → d. Unintended depletion of inventories 4. Actual Output = Actual Demand → c. Ex post identity always holds true Thus, the correct sequence is: 1-b, 2-a, 3-d, 4-c Hence, Option A is correct.

❓ Why Other Options Are Incorrect

Option B) Incorrect because Ex ante Demand = Ex ante Supply indicates equilibrium, not an accounting identity.
Option C) Incorrect because lower demand leads to inventory accumulation, not depletion.
Option D) Incorrect because the equilibrium and inventory outcomes are mismatched.

🎯 Strategy

Used

Option Grouping

Application:

Match each economic situation with its corresponding consequence in the Keynesian model.

Final Logic:

Only Option A correctly matches all four situations.

🧠 Memory Trick

"Low Demand → Stock Rises; High Demand → Stock Falls."

📚 Chapter: Determination of Income and Employment

17 Arrange the sequence of actions when a producer aims for planned inventory.
Statements:
1. Records the final actual inventory as planned.
2. Sets a target to hold goods worth Rs. 100 by year-end.
3. Evaluates anticipated sales volume for the year.
4. Produces enough to cover anticipated sales plus the Rs. 100 stock.

A 2, 4, 3, 1

B 4, 3, 2, 1

C 3, 2, 4, 1

D 1, 2, 3, 4

💡 Short Explanation

The producer first estimates future sales. Then decides the desired inventory level. Production is planned accordingly. Finally, if everything goes as planned, the actual inventory equals the planned inventory.

✅ Correct Answer Explanation

The logical planning process is: 1. Estimate anticipated sales for the year. 2. Fix the desired inventory target (Rs. 100). 3. Produce enough goods to meet expected sales and planned inventory. 4. Record the actual inventory, which equals the planned inventory if expectations are fulfilled. Thus, the correct sequence is: 3 → 2 → 4 → 1 Hence, Option C is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because inventory targets are set only after estimating expected sales.
Option B) Incorrect because production planning cannot begin before estimating sales.
Option D) Incorrect because recording the final inventory is the last step.

🎯 Strategy

Used

Sequential Logic

Application:

Arrange the firm's inventory planning process in chronological order.

Final Logic:

Forecast Sales → Set Target → Produce → Record, making Option C correct.

🧠 Memory Trick

"Forecast → Target → Produce → Record."

📚 Chapter: Determination of Income and Employment

18 If a firm plans to produce Rs. 500 worth of goods, expects to sell Rs. 400, and plans to add Rs. 100 to inventory, but actual demand turns out to be Rs. 450, what is the unplanned inventory investment?

A − Rs. 50

B + Rs. 50

C Rs. 100

D Rs. 0

💡 Short Explanation

Planned inventory addition = Rs. 100. Actual sales exceed expected sales by Rs. 50. Inventory is depleted by Rs. 50 unexpectedly.

✅ Correct Answer Explanation

The firm planned: Production = Rs. 500 Expected Sales = Rs. 400 Planned Inventory = Rs. 100 Actual demand becomes Rs. 450, which is Rs. 50 more than expected. Therefore, Planned inventory increase = Rs. 100 Additional sales reduce inventory by Rs. 50 Hence, the unplanned inventory investment is: -Rs. 50 This represents negative unplanned inventory investment (inventory depletion). Therefore, Option A is correct.

❓ Why Other Options Are Incorrect

Option B) Incorrect because inventories are depleted, not accumulated.
Option C) Incorrect because it represents planned inventory, not unplanned inventory.
Option D) Incorrect because there is an unexpected inventory change.

🎯 Strategy

Used

Application-Based Calculation

Application:

Compare planned sales with actual sales to determine the unexpected inventory change.

Final Logic:

Actual sales exceed expected sales by Rs. 50, leading to −Rs. 50 unplanned inventory investment.

🧠 Memory Trick

"Higher-than-Expected Sales → Inventory Falls."

📚 Chapter: Determination of Income and Employment

📄 Passage

"Government, through its expenditure G on final goods and services, adds to the aggregate demand like other firms and households. On the other hand, taxes imposed by the government take a part of the income away from the household, whose disposable income, therefore, becomes Yd = Y – T. Households spend only a fraction of this disposable income for consumption purpose. Hence, equation (4.3) has to be modified...",

Based on the passage, how does the introduction of taxes (T) modify the consumption behavior in the Aggregate Demand equation?

A Consumption becomes independent of income.

B Households consume a fraction of total national income (Y).

C Taxes are added directly to autonomous investment.

D Households consume a fraction of disposable income (Y, T).

💡 Short Explanation

Taxes reduce disposable income. Consumption depends on disposable income rather than total income. Thus, consumption is based on Y-T.

✅ Correct Answer Explanation

The passage states that taxes reduce household income available for spending. Disposable income becomes: Y_d=Y-T Households consume only a fraction of this disposable income. Therefore, the consumption function is modified to depend on Y-T rather than Y. Hence, Option D is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because consumption still depends on income, specifically disposable income.
Option B) Incorrect because taxes reduce income before consumption decisions are made.
Option C) Incorrect because taxes do not become part of autonomous investment.

🎯 Strategy

Used

Passage-Based Concept Identification

Application:

Identify how taxes affect consumption according to the passage.

Final Logic:

Taxes reduce disposable income, so households consume a fraction of Y-T, making Option D correct.

🧠 Memory Trick

"Tax First, Spend Later."

📚 Chapter: Determination of Income and Employment

📄 Passage

Based on the passage, what effect does the Government's expenditure (G) have on the Aggregate Demand equation?

A It acts as a deduction from the overall autonomous investment.

B It adds directly to the autonomous aggregate demand alongside C̄ and Ī.

C It solely determines the marginal propensity to save.

D It reduces the National Income directly through taxation.

💡 Short Explanation

Government expenditure is an autonomous component of Aggregate Demand. It increases total planned expenditure. Therefore, it shifts Aggregate Demand upward.

✅ Correct Answer Explanation

When the government is introduced into the economy, Aggregate Demand becomes: AD=C+c(Y-T)+I+G Government expenditure (G) directly increases Aggregate Demand in the same way as autonomous consumption and autonomous investment. Hence, Option B is correct.

❓ Why Other Options Are Incorrect

Option A) Incorrect because Government Expenditure is an addition, not a deduction.
Option C) Incorrect because Government Expenditure does not determine the Marginal Propensity to Save.
Option D) Incorrect because taxation reduces disposable income, whereas Government Expenditure increases Aggregate Demand.

🎯 Strategy

Used

Passage-Based Concept Identification

Application:

Identify the role of Government Expenditure in the Aggregate Demand equation from the passage.

Final Logic:

Government Expenditure is an autonomous component of Aggregate Demand, making Option B correct.

🧠 Memory Trick

"Government Spends → Demand Expands."

📚 Chapter: Determination of Income and Employment

CUET UG Economics Booster Test 2 - Investment and Aggregate Demand

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