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Saturday, 21 February 2026

 

Economics for Common People – Part 9 Consumer Behaviour


1️⃣ Who Is a Consumer?

A consumer is a person who buys goods and services to satisfy needs and wants.

Every individual is a consumer.


2️⃣ What Is Utility?

Utility means satisfaction.

When you consume a product and feel happy or satisfied, that satisfaction is called utility.

Different people get different utility from the same product.


3️⃣ Law of Diminishing Marginal Utility

This law states:

As a person consumes more units of a product, the additional satisfaction decreases.

Example:

  • The first slice of pizza gives high satisfaction.
  • The second slice gives less satisfaction.
  • The third slice gives even less.

Eventually, satisfaction may become zero.


4️⃣ Budget Constraint

Consumers have limited income.

They must decide how to spend it wisely.

They try to maximize satisfaction within their budget.

This decision-making is studied in consumer behaviour.


5️⃣ Rational Consumer

In economics, we assume that consumers are rational.

That means they:

  • Compare prices
  • Compare quality
  • Choose the best possible option

However, in real life, emotions and advertisements also influence decisions.


6️⃣ Why Consumer Behaviour Matters

Understanding consumers helps:

  • Businesses design better products
  • Governments frame policies
  • Markets function efficiently

Consumer decisions drive the entire economy.


The economy moves because consumers choose.

— Shaktimatha Learning

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