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• Meaning :- Utility means want satisfying power of a 
commodity. 
• It is the quality of utility which satisfies the human want.
• Definition :- According to “Prof. Stanley Jevons”, “Utility is 
the capacity of a commodity to satisfy human wants”.
• Example :- We say that ‘mobile phone’ is such a useful 
product as it satisfies our want of ‘communicating’.
Page 3


• Meaning :- Utility means want satisfying power of a 
commodity. 
• It is the quality of utility which satisfies the human want.
• Definition :- According to “Prof. Stanley Jevons”, “Utility is 
the capacity of a commodity to satisfy human wants”.
• Example :- We say that ‘mobile phone’ is such a useful 
product as it satisfies our want of ‘communicating’.
1) Forms as the basis for 
demand
2) Ethically neutral
3) Also different from 
usefulness
4) The measurement is not 
possible
5) Utility and Satisfaction are 
different 
6) Relative concept
7) Even different form 
pleasure
8) Subjective concept
9) Utility depends on intensity 
of the want
Page 4


• Meaning :- Utility means want satisfying power of a 
commodity. 
• It is the quality of utility which satisfies the human want.
• Definition :- According to “Prof. Stanley Jevons”, “Utility is 
the capacity of a commodity to satisfy human wants”.
• Example :- We say that ‘mobile phone’ is such a useful 
product as it satisfies our want of ‘communicating’.
1) Forms as the basis for 
demand
2) Ethically neutral
3) Also different from 
usefulness
4) The measurement is not 
possible
5) Utility and Satisfaction are 
different 
6) Relative concept
7) Even different form 
pleasure
8) Subjective concept
9) Utility depends on intensity 
of the want
1) Place utility – Due to the 
change in place of 
utilization. Eg:- Sea sand, 
mango, etc.
2) Service utility – When any 
service is rendered from one 
person to another. Eg:-
lawyers, teachers, etc.
3) Time utility – Due to the 
change in time of utilization. 
Eg:- umbrellas, crackers, etc.
4) Form utility – Due to the 
change in the form of shape of 
goods. Eg:- wood, sugarcane, 
etc. 
5) Knowledge utility – When the 
user or buyer gains knowledge 
about the product. Eg:-
washing machine, computer, 
etc.
6) Possession utility – When the 
legal ownership and possession 
gets transferred. Eg:- house, 
cake in the shop, etc. 
Page 5


• Meaning :- Utility means want satisfying power of a 
commodity. 
• It is the quality of utility which satisfies the human want.
• Definition :- According to “Prof. Stanley Jevons”, “Utility is 
the capacity of a commodity to satisfy human wants”.
• Example :- We say that ‘mobile phone’ is such a useful 
product as it satisfies our want of ‘communicating’.
1) Forms as the basis for 
demand
2) Ethically neutral
3) Also different from 
usefulness
4) The measurement is not 
possible
5) Utility and Satisfaction are 
different 
6) Relative concept
7) Even different form 
pleasure
8) Subjective concept
9) Utility depends on intensity 
of the want
1) Place utility – Due to the 
change in place of 
utilization. Eg:- Sea sand, 
mango, etc.
2) Service utility – When any 
service is rendered from one 
person to another. Eg:-
lawyers, teachers, etc.
3) Time utility – Due to the 
change in time of utilization. 
Eg:- umbrellas, crackers, etc.
4) Form utility – Due to the 
change in the form of shape of 
goods. Eg:- wood, sugarcane, 
etc. 
5) Knowledge utility – When the 
user or buyer gains knowledge 
about the product. Eg:-
washing machine, computer, 
etc.
6) Possession utility – When the 
legal ownership and possession 
gets transferred. Eg:- house, 
cake in the shop, etc. 
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FAQs on PPT: Chapter 2 - Theory of Consumer Behaviour, Class 12, Microeconomics

1. What is the theory of consumer behavior in microeconomics?
Ans. The theory of consumer behavior in microeconomics is a framework that explains how consumers make choices regarding the consumption of goods and services. It analyzes the preferences, budget constraints, and utility maximization of individuals to understand their decision-making process.
2. What are the key assumptions of the theory of consumer behavior?
Ans. The theory of consumer behavior makes certain assumptions to simplify the analysis. These assumptions include rationality, meaning that consumers have consistent preferences and aim to maximize their utility. It also assumes that individuals have a limited budget, face a choice between different goods and services, and have complete information about the available options.
3. How does the theory of consumer behavior explain the demand curve?
Ans. The theory of consumer behavior explains the demand curve by considering the relationship between price and quantity demanded. According to the theory, consumers' preferences and budget constraints determine their willingness and ability to purchase goods at different price levels. As the price of a good decreases, the quantity demanded typically increases, resulting in a downward-sloping demand curve.
4. What is the concept of marginal utility in the theory of consumer behavior?
Ans. Marginal utility is a fundamental concept in the theory of consumer behavior. It refers to the additional satisfaction or utility that a consumer derives from consuming one additional unit of a good or service. The theory suggests that consumers will continue to consume additional units of a good until the marginal utility derived from each unit diminishes.
5. How does the theory of consumer behavior explain consumer choice and equilibrium?
Ans. The theory of consumer behavior explains consumer choice and equilibrium by analyzing the interaction of consumer preferences and budget constraints. Consumers aim to maximize their utility given their limited income and the prices of goods and services. Equilibrium occurs when consumers allocate their income in a way that maximizes their total utility, subject to their budget constraints. This is achieved by equating the marginal utility per dollar spent on each good or service.
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