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The Global Insight

What do we mean when we refer to the opportunity cost of capital?

Author

John Johnson

Updated on February 26, 2026

The opportunity cost of capital is the incremental return on investment that a business foregoes when it elects to use funds for an internal project, rather than investing cash in a marketable security. The opportunity cost of capital is the difference between the returns on the two projects.

How is opportunity cost of investment calculated?

The best way to calculate the opportunity cost of capital is to compare the return on investment on two different projects. Review the calculation for ROI (return on investment), which is ROI = (Current Price of the Investment – Cost of the Investment) / Cost of the Investment.

Why is opportunity cost of capital important?

Cost of capital is a necessary economic and accounting tool that calculates investment opportunity costs and maximizes potential investments in the process. Once those costs are evaluated, businesses can make better decisions to deploy their capital to maximize profit potential.

What is the difference between opportunity cost and cost of capital?

As above, you are still 5 % ahead on the difference between what you pay and what you are paid and you should invest in your friend’s company. Cost of capital is what it costs you to put your money to work. Opportunity cost is what you can get in alternative investments with similar risk and reward profiles.

What is the law of opportunity cost?

The law of increasing opportunity cost is an economic principle that describes how opportunity costs increase as resources are applied. (In other words, each time resources are allocated, there is a cost of using them for one purpose over another.)

What is the opportunity cost of not having the money right now?

The opportunity cost of not having the money right now also includes the loss of additional income that you could have earned simply by having received the cash earlier. Moreover, receiving money in the future rather than now may involve some risk and uncertainty regarding its recovery.

Which is the best example of opportunity cost?

Consider the following examples of opportunity cost: A young woman wants to spend her time either working as a financial advisor or volunteering for a non-profit. She decides to volunteer. The opportunity cost of her choice is the money she would have made working. A high-school student receives $50 as a birthday gift.

How to define the opportunity set of investments?

Opportunity Set Definition and Tutorial 1 Define – Define the Opportunity Set of investments. 2 Context – Use Opportunity Set in a sentence. 3 Video – See the video for the concepts. 4 Script – Follow along with the transcript below. 5 Quiz – Test yourself. More …

What is the opportunity cost of buying shoes?

The opportunity cost in this situation is the ability to buy something else with the $50—they chose to buy shoes, and they are now missing out on the ability to buy something else. A manufacturer gets two orders and can only fulfill one. The first order has a profit of $50 and the second has a profit of $75.