What Is Opportunity Cost? A Decision-Making Guide

what is opportunity cost
Opportunity cost means sacrificing an option upon making a choice (Image by MW from Pixabay).

Discover what opportunity cost means and how this key economics concept can transform your decision-making process. Learn practical applications today.

Introduction

Every choice you make comes with a hidden price tag—not in dollars, but in opportunities lost. Understanding opportunity cost is the secret to making smarter decisions in business, finance, and everyday life.

Ready to unlock this powerful economic principle?

Opportunity cost is one of the important concepts I have learned in the course of teaching environmental economics. Understanding the idea has helped me a lot, especially in those times when I need to make decisions or choices given a set of alternatives.

What is opportunity cost, and how can knowledge and application of the opportunity cost concept become useful in decision making?

Opportunity Cost Definition

Opportunity cost is simply the cost of the next best alternative presented to you during a decision situation. The decision-making situation below clarifies this concept.

Opportunity cost is the cost of the next best alternative presented during a decision situation.

Example of a Decision Making Situation: Take a Long Vacation?

To understand the opportunity cost concept, let me give a specific situation.

You might be allowed to decide whether to take the long vacation you’ve longed for years. You find yourself well entrenched in your current work, where your decision will shape the future direction of your life.

The question then is:

“Will you give up your current preoccupation because of your desire to have that restful respite from the hustle-bustle of work life?”

What is the opportunity cost once you decide in this case?

There will be a range of alternatives that will present themselves to you. And these alternatives have their own set of advantages and disadvantages.

You’ll face a range of options, each with distinct benefits and drawbacks.

1. Taking the vacation: Offers rest, mental rejuvenation, and a chance to return with renewed focus. However, it may disrupt work momentum, delay projects, or create gaps in team responsibilities.

2. Staying in your current role: Allows you to maintain professional continuity, build on existing achievements, and avoid the disruption of a prolonged absence. But it risks burnout, missed personal time, and a growing sense of dissatisfaction.

Ultimately, the decision hinges on whether you value short-term relief or long-term career stability more.

How will you know which of these is the next best option for you?

Rating the Different Alternatives

It will help if you will enumerate and rate the different alternatives based on your values, preference, or need/want. These values, preferences, and needs vary across individuals, so someone faced with the same circumstance will decide differently from another person.

example of opportunity cost
Taking advantage of an opportunity has its own risks.

One way to make clear the value of these alternatives is the use of a decision technique that uses numbers. To sum it up, the method makes use of a scale of 1 to 10, where you rate each alternative according to your subjective evaluation of its value.

After rating all the alternatives, you can now choose which among those alternatives have the highest score, just by adding up all the advantages and disadvantages of each option. The choice with the highest value is your next best alternative and is your opportunity cost.

Let’s illustrate the 1–10 decision-making technique using the vacation example. This method helps you make a clear, subjective, and numerical evaluation of your options by assigning scores to the advantages and disadvantages of each path.


Step 1: Define the Alternatives

You have two main options:

  1. Take the long vacation
  2. Stay in your current role

Step 2: List Advantages and Disadvantages for Each Option

Option 1: Take the Vacation

AdvantagesRating (1–10)
Mental and physical rest9
Reconnection with family/friends8
Renewed energy and focus9
Reduced stress and burnout risk8
Total Advantages34
DisadvantagesRating (1–10)
Disruption to work projects7
Potential loss of momentum6
Team may feel burdened5
Reintegration challenges6
Total Disadvantages24

Net Score = 34 (Advantages) – 24 (Disadvantages) = 10


Option 2: Stay in Your Current Role

AdvantagesRating (1–10)
Career continuity9
Professional trust and credibility8
No disruption to team or projects9
Maintained income and stability9
Total Advantages36
DisadvantagesRating (1–10)
Risk of burnout8
Reduced personal well-being7
Missed personal time6
Potential stagnation5
Total Disadvantages26

Net Score = 36 (Advantages) – 26 (Disadvantages) = 10


Step 3: Compare the Net Scores

  • Take Vacation: Net Score = 10
  • Stay in Role: Net Score = 10

Both options have the same net score, meaning they are equally valuable in your subjective evaluation. However, this doesn’t mean they’re identical — it means you must now consider what you’re giving up (the opportunity cost).


Step 4: Identify the Opportunity Cost

Since both options have the same net score, the opportunity cost is the value of the alternative you don’t choose.

  • If you take the vacation, your opportunity cost is the career momentum, stability, and trust you give up.
  • If you stay, your opportunity cost is the rest, mental clarity, and personal renewal you miss.

Even though the scores are equal, you can now make a more informed decision by asking:

  • Which trade-off is more acceptable to you in the long term?
  • Are you willing to risk burnout for the sake of career continuity?
  • Or are you willing to sacrifice some professional momentum for personal well-being?

Final Decision Framework

OptionNet ScoreOpportunity Cost
Take Vacation10Loss of career momentum, team trust, and income stability
Stay in Role10Loss of rest, mental clarity, and personal fulfillment

Since both options are equally scored, you may want to re-evaluate your ratings based on which factor matters more to you:

  • If well-being is more important, re-rate the advantages of the vacation higher (e.g., 10 for mental rest).
  • If career stability is more important, re-rate the advantages of staying higher (e.g., 10 for professional continuity).

Example of Adjusted Ratings (if you prioritize well-being)

  • Take Vacation:
    • Mental rest: 10
    • Reconnection: 9
    • Renewed energy: 10
    • Reduced stress: 9
    • Total Advantages: 38
    • Disadvantages: 24
    • Net Score: 14
  • Stay in Role:
    • Career continuity: 9
    • Professional trust: 8
    • No disruption: 9
    • Income stability: 9
    • Total Advantages: 36
    • Disadvantages: 26
    • Net Score: 10

Now, taking the vacation has a higher net score (14 vs. 10), making it the clearer choice based on your values.


Conclusion

Using the 1–10 scale helps you quantify subjective values and make a more objective decision. Even if two options have the same score, the opportunity cost reveals what you’re giving up — and that can help you decide which trade-off aligns better with your long-term goals.


Another Example of Opportunity Cost: What are you going to do with your $100?

Another much simpler example to demonstrate opportunity cost is the following situation.

You have $100 with you. Now, you would want to spend your $100 in a shopping mall in such a way that you will be able to enjoy it to its maximum utility, meaning, you want to make the most of it. You may have a range of choices like the ones given below, each one priced at $100.

  • a lunch with friends
  • an Android phone
  • your medicine for asthma
  • a pair of branded shoes
  • a pair of glasses

Notice that given this range of choices, your values, preference, or need will determine your decision. You might put a premium on the camaraderie of your friends, and you are willing to give up all the other choices.

Once you decide to take lunch with friends as your best choice, you give up your opportunity to buy either an Android phone, your medicine for asthma, a pair of branded shoes, or a pair of glasses that you may likewise need or want. Any of these options will be your opportunity cost, but it is possible that, in reality, some of the alternatives presented to you may not be worth $100 to you.

The real opportunity cost, therefore, is the next best choice, which you will mostly take if you did not pay for that first option. Once you give up your $100 for a specific item, you lose your chance to purchase any of the items with likewise similar value to you.

What you gave up is your opportunity cost.


FAQ: What is Opportunity Cost? A Decision Making Guide

1. What is opportunity cost?

Opportunity cost is the cost of the next best alternative that you give up when making a decision.

2. How does opportunity cost help in decision making?

Understanding opportunity cost helps you evaluate the true cost of your choices by considering what you’re giving up, which can lead to more informed and effective decisions.

3. Can you give an example of opportunity cost?

A common example is having $100 and choosing to spend it on a lunch with friends instead of buying an Android phone. The opportunity cost is the phone you didn’t buy.

4. Why is opportunity cost important in economics?

Opportunity cost is important because it helps individuals and businesses understand the true cost of their decisions, including the value of what they’re giving up.

5. How can I calculate opportunity cost?

To calculate opportunity cost, identify the next best alternative you’re giving up when making a decision. This could be measured in terms of money, time, or other resources.

6. What factors influence opportunity cost?

Opportunity cost is influenced by personal values, preferences, and needs. Different people may value the same options differently, leading to different opportunity costs.

7. Is opportunity cost only about money?

No, opportunity cost can be about more than money. It can include time, effort, and other resources that you give up when making a choice.

8. How does opportunity cost apply to everyday life?

Opportunity cost applies to everyday decisions like choosing between spending money on entertainment or saving it, or deciding between working overtime or spending time with family.

9. Can opportunity cost be negative?

Opportunity cost is typically positive as it represents the value of the next best alternative. However, in some cases, the opportunity cost could be zero if the alternatives have no value.

10. Why is understanding opportunity cost important for students?

Understanding opportunity cost helps students make better decisions about how to spend their time and resources, such as choosing between studying for an exam or going out with friends.

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