Syllabus Edition

First teaching 2025

First exams 2027

The Concept of Opportunity Cost (Cambridge (CIE) IGCSE Economics): Revision Note

Exam code: 0455 & 0987

Steve Vorster

Written by: Steve Vorster

Reviewed by: Lisa Eades

Updated on

Defining opportunity cost

  • Opportunity cost is the loss of the next best alternative when making a decision

  • Due to the problem of scarcity, choices have to be made about how to best allocate limited resources amongst competing wants and needs

Examples of opportunity costs

Consumers

  • Choosing between spending on a new phone or saving for a holiday

  • Going to university or entering employment straight after school

    • The forgone income = opportunity cost

Workers

  • Choosing a job with higher pay versus a role with better work-life balance

    • The opportunity cost = non-monetary benefits like time or health

Producers/firms

  • Using land to grow wheat versus renting it out for wind farming

  • Producing product A over product B due to limited factory capacity

Governments

  • Spending on education rather than healthcare

  • Building roads versus subsidising renewable energy

The influence of opportunity cost on decision-making

  • Each economic agent weighs what they gain against what they must give up

  • When opportunity cost is properly considered, the decision often changes, leading to a more efficient or personally valuable outcome

Consumer

  • Ashika wants to visit her best friend in Iceland

  • She finds flights from London to Reykjavík: £120 on Friday night, £50 on Thursday night

  • She is about to book the Thursday flight, but realises the opportunity cost of saving £70 is missing a full day of work, which would lose her £130 in income

Analysis

  • Ashika books the more expensive flight

  • She decides the benefit of keeping her work income outweighs the savings on the cheaper ticket

  • The opportunity cost of the Thursday flight (her lost income) is higher than the cost of the Friday ticket

Worker

  • Ric is choosing between two jobs

  • Job A pays £400 more per month but requires daily commuting. Job B pays less but allows him to work from home

  • Commuting would cost Ric £40 per week in expenses and around £180 per week in lost time, which he personally values highly

Analysis

  • Ric chooses Job B. He decides that the time and flexibility he gains from working at home is worth more than the higher salary offered by Job A

  • The opportunity cost of Job A – lost free time and travel hassle – is not worth the extra pay

Firm

  • A firm that sells organic avocados is offered a contract by a large supermarket to buy all of its stock monthly at a low price

  • The supermarket is prestigious, but the price offered is lower than what existing customers pay

Analysis

  • The firm declines the deal

  • It decides the loss in revenue from loyal customers is greater than the benefit of supplying a well-known retailer

  • The opportunity cost of prestige is outweighed by the income they would have to forgo

Government

  • The Australian Government agrees to supply France with submarines for $70 billion

  • Later, the USA offers a similar deal and pressures Australia to cancel the French contract

  • The government considers the opportunity cost of damaging trade and diplomatic relations with the USA

Analysis

  • The government cancels the French deal

  • It determines that maintaining strong ties with the USA brings more long-term benefits

  • The opportunity cost of denying the US – including access to military deals and trade – is higher than the cost of breaking the French contract

Unlock more, it's free!

Join the 100,000+ Students that ❤️ Save My Exams

the (exam) results speak for themselves:

Steve Vorster

Author: Steve Vorster

Expertise: Economics & Business Subject Lead

Steve has taught A Level, GCSE, IGCSE Business and Economics - as well as IBDP Economics and Business Management. He is an IBDP Examiner and IGCSE textbook author. His students regularly achieve 90-100% in their final exams. Steve has been the Assistant Head of Sixth Form for a school in Devon, and Head of Economics at the world's largest International school in Singapore. He loves to create resources which speed up student learning and are easily accessible by all.

Lisa Eades

Reviewer: Lisa Eades

Expertise: Business Content Creator

Lisa has taught A Level, GCSE, BTEC and IBDP Business for over 20 years and is a senior Examiner for Edexcel. Lisa has been a successful Head of Department in Kent and has offered private Business tuition to students across the UK. Lisa loves to create imaginative and accessible resources which engage learners and build their passion for the subject.