Opportunity Cost Explained – O Level & IGCSE Business (7115 / 0450)
What Is Opportunity Cost?
Opportunity cost is the next best alternative that is given up when making a choice.
Because resources such as money, time, and labour are limited, individuals and businesses must make choices. Whenever a choice is made, something else must be sacrificed.
That sacrificed option is called the opportunity cost.
Simple Example of Opportunity Cost
Imagine a student has PKR 2,000.
They must choose between:
Buying a new pair of headphones
Buying business textbooks
If the student chooses the headphones, the opportunity cost is the textbooks they did not buy.
So the opportunity cost is the next best alternative that was sacrificed.
Opportunity Cost in Business
Businesses constantly face decisions involving opportunity cost.
For example:
A factory can produce either:
Tables
Chairs
If the factory decides to produce tables, the opportunity cost is the chairs that could have been produced instead.
This happens because resources such as labour, machines, and time are limited.
Why Opportunity Cost Exists
Opportunity cost exists because of scarcity.
Scarcity means resources are limited but human wants are unlimited.
Because resources are scarce, choices must be made, and opportunity cost always occurs.
Example in Daily Life
Opportunity cost also applies to everyday decisions.
Example:
A student has 3 hours after school.
They must choose between:
Studying for exams
Watching a movie
If the student chooses to watch the movie, the opportunity cost is the study time they gave up.
Opportunity Cost in Government Decisions
Governments also face opportunity cost.
Example:
A government has a limited budget and must choose between:
Building hospitals
Building roads
If it chooses to build hospitals, the opportunity cost is the roads that could have been built.
Key Points to Remember
Opportunity cost exists because resources are limited.
It refers to the next best alternative sacrificed.
It applies to individuals, businesses, and governments.
Exam Tip (Cambridge Business / Economics)
Students are commonly asked to:
Define opportunity cost (2 marks)
Give an example of opportunity cost
Always remember:
Opportunity cost is NOT every alternative, only the next best one.
Practice Question
Define opportunity cost. (2 marks)
Answer
Opportunity cost is the next best alternative that is given up when a choice is made.
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