Comprehension

The equilibrium output in the economy also determines the level of employment, given the quantities of other factors of production (think of a production function at aggregate level). This means that the level of output determined by the equality of Y with AD does not necessarily mean the level of output at which everyone is employed. Full employment level of income is that level of income where all the factors of production are fully employed in the production process. Recall that equilibrium attained at the point of equality of Y (Income) and AD by itself does not signify full employment of resources. Equilibrium only means that, if left to itself, the level of income in the economy will not change even when there is unemployment in the economy. 
The equilibrium level of output may be more or less than the full employment level of output. If it is less than the full employment of output, it is due to the fact that demand is not enough to employ all factors of production. This situation is called the situation of deficient demand. It leads to a decline in prices in the long run. On the other hand, if the equilibrium level of output is more than the full employment level, it is due to the fact that the demand is more than the level of output produced at full employment level. This situation is called the situation of excess demand. It will lead to a rise in prices in the long run.

Question: 1

Level of employment is determined by which of the following?

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In Keynesian economics, employment depends on effective demand. Thus, equilibrium output (AD = AS) is the key factor that sets the level of employment in an economy.
Updated On: Sep 9, 2025
  • Output Equilibrium
  • Factor of Production
  • Capital Employed
  • Availability of Raw Material
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The Correct Option is A

Solution and Explanation

Step 1: Link between output and employment.
Employment in an economy is directly linked with the level of output. When aggregate output rises, producers require more workers; when it falls, employment decreases. Therefore, the determinant of employment is the equilibrium level of output.
Step 2: Role of output equilibrium.
Equilibrium output is established where Aggregate Demand (AD) equals Aggregate Supply (AS). This balance defines how much is produced, which in turn dictates how many workers are hired. If output equilibrium is below full employment level, unemployment exists. If above, inflationary pressures occur.
Step 3: Option-wise evaluation.
- (A) Output Equilibrium: Correct. Employment depends on the equilibrium output where AD = AS.
- (B) Factor of Production: These are inputs, but employment depends on their utilization, not their mere existence.
- (C) Capital Employed: Important for production but not the main determinant of employment.
- (D) Availability of Raw Material: Necessary, but employment is governed by demand-driven output equilibrium.
Step 4: Conclusion.
The level of employment in an economy is determined by the equilibrium level of output, as explained by Keynesian theory.
Final Answer: \[ \boxed{\text{Output Equilibrium}} \]
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Question: 2

Full employment level is the level where ........

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Remember: Full employment ≠ Zero unemployment. It means optimal use of resources where only frictional and voluntary unemployment exist.
Updated On: Sep 9, 2025
  • Everyone in the economy got employment
  • Maximum Capital investment
  • All the factors of production are fully employed in the production process
  • Excessive Demand
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The Correct Option is C

Solution and Explanation

Step 1: Meaning of full employment.
Full employment does not mean that every single person in the economy has a job. There will always be some level of frictional or voluntary unemployment. Instead, full employment refers to a situation where all available factors of production (land, labour, capital, and entrepreneurship) are fully utilized in the production process.
Step 2: Evaluate the options.
- Option (A): Incorrect, because “everyone got employment” is unrealistic—some natural unemployment will always exist.
- Option (B): Incorrect, because maximum capital investment does not guarantee full employment of all factors.
- Option (C): Correct, as full employment occurs when all factors of production are fully engaged in productive activity.
- Option (D): Incorrect, as excessive demand creates inflationary conditions, not full employment.
Step 3: Conclusion.
Hence, full employment is correctly defined as the state where all factors of production are fully employed.
Final Answer: \[ \boxed{\text{All the factors of production are fully employed in the production process}} \]
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Question: 3

The level of output is determined by the ......

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Equilibrium output occurs when AD = AS (or AD = Y). If AD<Y, unemployment persists (deficient demand). If AD>Y, inflation arises (excess demand).
Updated On: Sep 9, 2025
  • Full Employment
  • Excessive Demand
  • Marginal Output
  • Equality of Income (Y) with Aggregate Demand (AD)
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The Correct Option is D

Solution and Explanation

Step 1: Recall Keynesian theory of output.
In Keynesian economics, the actual level of output in the economy is not determined by full employment alone. Instead, it is determined where aggregate demand (AD) equals aggregate income/output (Y). This is called the equilibrium level of output.
Step 2: Evaluate each option.
- Option (A): Full Employment – Wrong. Full employment may not always be achieved; equilibrium can exist even with unemployment.
- Option (B): Excessive Demand – Wrong. This refers to inflationary pressure, not determination of output.
- Option (C): Marginal Output – Wrong. This is not an economic criterion for determining equilibrium output.
- Option (D): Equality of Income (Y) with Aggregate Demand (AD) – Correct. At this point, planned expenditure (AD) matches actual output (Y), defining the equilibrium level of output.
Step 3: Conclusion.
The level of output is determined by the point of equality of AD and Y.
Final Answer: \[ \boxed{\text{Equality of Income (Y) with Aggregate Demand (AD)}} \]
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Question: 4

If output equilibrium is less than the full employment level, then this condition is known as:

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If equilibrium output<full employment output → Deficient Demand. If equilibrium output>full employment output → Excess Demand.
Updated On: Sep 9, 2025
  • Deficient Demand
  • Constant Demand
  • Marginal Demand
  • Aggregate Demand
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The Correct Option is A

Solution and Explanation

Step 1: Recall the concept of full employment output.
Full employment output is the maximum sustainable level of output when all factors of production are fully utilized.
Step 2: When equilibrium output is below full employment.
If the aggregate demand (AD) in the economy is not sufficient to buy the full employment level of output, the actual equilibrium output will be below full employment output. This creates unemployment.
Step 3: Naming the condition.
This situation is termed as deficient demand because demand is insufficient to maintain full employment production. Step 4: Eliminating wrong options.
- Constant Demand: Incorrect, not an economic term.
- Marginal Demand: Incorrect, irrelevant concept here.
- Aggregate Demand: AD determines equilibrium, but the condition here is “deficient demand.”
Final Answer: \[ \boxed{\text{Deficient Demand}} \]
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Question: 5

Excess demand is the situation where ......

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Remember: - Deficient demand → Unemployment (AD<AS). - Excess demand → Inflation (AD>AS).
Updated On: Sep 9, 2025
  • Output level is less than the full employment level
  • Output level is equal to the full employment level
  • Demand is more than output level at full employment level
  • Output level is marginally increasing
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The Correct Option is C

Solution and Explanation

Step 1: Define excess demand.
Excess demand occurs when aggregate demand (AD) is greater than aggregate supply (AS) at full employment level of output.
Step 2: Implication of excess demand.
Since all factors of production are already fully employed, the economy cannot increase real output further. Instead, the additional demand only causes inflationary pressure (rise in prices).
Step 3: Evaluate the options.
- (A): Incorrect, this is deficient demand.
- (B): Incorrect, equality at full employment does not describe excess demand.
- (C): Correct, because excess demand arises when demand>output at full employment.
- (D): Incorrect, marginal increase is not relevant here.
Step 4: Conclusion.
Thus, excess demand is the situation when demand is more than output available at full employment.
Final Answer: \[ \boxed{\text{Demand is more than output level at full employment level}} \]
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