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Cost-benefit analysis (CBA): Steps, examples, and pros & cons


What is cost-benefit analysis (CBA)? A systematic approach to evaluating the financial and non-financial costs and benefits associated with a decision, project, or investment.


Whether exploring new market opportunities or scaling operations with technology like enterprise resource planning (ERP), businesses often face the challenge of determining which options will drive growth. Without a clear framework, it’s easy to over-commit resources to projects with minimal impact or overlook profitable ventures. This is where cost-benefit analysis offers clarity. 


Cost-benefit analysis is vital for making informed decisions, but many companies struggle to balance the potential rewards against the risks and costs of major initiatives. 


By offering a structured framework for assessing the costs and benefits of decisions, CBA empowers you to make data-driven, strategic choices. Learn how to perform a cost-benefit analysis—with examples—and its pros and cons so you can use this method to your advantage.

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The meaning of cost-benefit analysis

Cost-benefit analysis systematically evaluates the costs and potential benefits of a decision, project, or investment. This method helps businesses weigh whether the benefits outweigh the costs, making it a key element of strategic planning and resource allocation. CBA considers both tangible and intangible factors, such as time, effort, and opportunity costs. 

The key components of CBA include:

  • Identifying costs: This includes both direct costs (e.g., labor, materials) and indirect costs (e.g., opportunity costs, potential risks). 
  • Measuring benefits: Benefits can be financial, like increased revenue or cost savings, but they can also be nonfinancial, such as improved customer satisfaction or enhanced brand reputation.
  • Time horizon: Costs and benefits often occur at different times, so considering the time value of money is critical. 
  • Risk assessment: All potential risks associated with the decision, including market volatility, unforeseen costs, and regulation changes, should be evaluated. 

Using the cost-benefit principle, you make sure that any action has more benefits than its costs. This leads to better use of resources.

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Cost-benefit ratio

The cost-benefit ratio is a simple formula that compares the total expected benefits of a decision to its total costs. The formula is:

Cost-benefit ratio (CBR) = Total benefits / Total costs

If the ratio is greater than one, the benefits outweigh the costs, and the project is potentially worthwhile. A ratio below 1 suggests that the costs exceed the benefits, and the decision may need re-evaluation.

Perform a cost-benefit analysis in 5 steps

Performing a cost-benefit analysis requires a structured approach to ensure accuracy and effectiveness. By breaking it down into clear steps, you can assess the feasibility of a project and make informed decisions. Here’s a detailed guide on how to conduct a CBA.

1. Establish objectives and goals

Start by clearly defining the project’s goals and objectives. What are you trying to achieve? Are you aiming to increase gross margin, reduce operational costs, or expand into new markets? Having clear objectives helps set the framework for the rest of the analysis, guiding what to measure and how to assess the outcome.

For multi-entity accounting scenarios,  identify how the decision will impact different areas of the business. For example, investing in new technology might streamline operations in one department while increasing costs in another. 

2. Figure out the costs and benefits

Once you’ve outlined your goals, list all associated costs and benefits. Costs can include direct expenses such as labor, materials, and technology, as well as indirect costs like employee time and opportunity costs. Similarly, consider both tangible and intangible benefits: 

  • Tangible benefits might include increased revenue, improved gross margin, or reduced overhead costs. 
  • Intangible benefits could be things like enhanced customer satisfaction, brand recognition, or improved employee morale.
How to do a cost-benefit analysis in five steps.

3. Quantify your costs and benefits

To conduct an effective cost-benefit analysis, you must quantify the costs and benefits in monetary terms. This can be tricky, especially when dealing with intangible factors, but assigning a dollar value ensures a direct comparison between costs and benefits. For example, cost-effectiveness analysis can help determine how much value you gain from each dollar spent.

For tangible costs, use straightforward calculations. For intangible benefits, you may need to rely on proxies or estimates. For instance, if a new customer service system improves satisfaction, you can estimate the financial impact based on potential customer retention rates and reduced churn. 

4. Evaluate the net benefits

Once all costs and benefits are quantified, it’s time to evaluate the net benefits. Subtract the total costs from the total benefits to determine if the project is worthwhile. 

  • If the benefits outweigh the costs, then the project may be viable. 
  • If the costs exceed the benefits, it may be time to reconsider or adjust your approach.

Also, remember the cost versus benefits principle: Essentially, every investment should yield a greater return than its cost. 

5. Make recommendations

Finally, you can make an informed recommendation based on the net benefits. Should the project proceed, or are the risks and costs too high? 

Your recommendation should also consider alternative solutions, such as scaling back the project, extending timelines, or reducing costs to make the venture more feasible.

For complex, multi-entity accounting projects, your recommendations may vary depending on how different areas of the business are affected. Considerations around scalability, resource allocation, and long-term viability are critical to ensuring the decision aligns with the overall business strategy.

Pros and cons of cost-benefit analysis

Cost-benefit analysis offers valuable insights into a project's potential success or risks. However, like any method, it has its strengths and limitations. Here’s a closer look at the key pros and cons of CBA.

Pros

  • Improved decision-making: By weighing the cost vs. price, businesses can make informed decisions on investments like cloud ERP systems, ensuring long-term profitability.
  • Risk management: Provides a structured way to assess risks, making it easier to avoid costly mistakes and choose the most viable projects.
  • Accountability: Ensures transparency in the decision-making process, holding managers accountable for their choices based on clear, quantifiable data.
  • Resource allocation: Helps optimize resource allocation by identifying where investments will yield the highest return. This is particularly useful for projects like workforce automation, where upfront costs are high but long-term benefits are significant.
Weigh the pros and cons of cost-benefit analysis to make informed decisions for your organization.

Cons

  • Uncertainty in predictions: Forecasting future benefits and costs is challenging, especially in volatile markets. Minor changes in assumptions can result in substantially different outcomes.
  • Difficulty quantifying intangibles: Factors like employee satisfaction or brand reputation are hard to quantify, limiting the analysis’s effectiveness for nonfinancial outcomes.
  • Short-term focus: CBA can sometimes favor projects with immediate returns over long-term strategic investments, which may offer greater benefits in the future.
  • Ethical considerations: The method may overlook ethical implications, focusing solely on financial outcomes, which can lead to decisions that disregard social or environmental impact.

Essential tools and techniques for doing a cost-benefit analysis

Businesses use various tools to evaluate projects and investments when conducting a CBA. These techniques help weigh the total costs against the benefits, ensuring that decisions follow the cost-benefit principle. Whether you're implementing a new ERP system or launching a new product, these tools can help you assess profitability and make data-driven choices.

Some key tools and techniques businesses use for effective CBA:

  • Net present value (NPV): Calculates the present value of future benefits minus costs, helping to determine if a project adds long-term value
  • Internal rate of return (IRR): Measures the percentage return on investment (ROI)—a high IRR equals a more profitable project
  • Payback period: Determines how long it will take to recoup the initial investment, offering a quick view of short-term viability
  • Cost-benefit ratio: Compares total benefits to total costs. A ratio greater than 1 means the benefits outweigh the costs, following the cost-benefit principle
  • Sensitivity analysis: Assesses how changes in key variables (like costs or revenues) impact the project, offering insight into risks and uncertainties

note icon Distinguishing between cost vs. price is critical for understanding how costs impact net operating profit after tax (NOPAT) and overall financial health.


Cost-benefit analysis examples and use cases

A cost-benefit analysis is essential when making significant business decisions that involve weighing various factors to determine the most financially sound option. Take a look at some common scenarios where CBA is particularly useful.

Business expansion

When a company considers opening new locations or entering new markets, CBA can help evaluate the potential financial gains versus the costs. For instance, expanding into a new region may require investing in infrastructure, staff, and marketing. By conducting a detailed analysis, you can determine if the long-term benefits justify the upfront costs.

Technology investments

Investing in new technologies, such as a cloud ERP system, requires significant financial outlay. CBA helps businesses assess whether the long-term savings from efficiency improvements and project-based accounting will outweigh the initial implementation costs. For example, upgrading an ERP system may streamline operations and reduce overhead, but the analysis will clarify if the return justifies the investment.

Environmental projects

Companies often use CBA to weigh the costs of implementing environmentally sustainable practices against the benefits, such as reduced energy costs or improved public perception. For example, transitioning to renewable energy sources may have high upfront costs but can result in substantial long-term savings.

Public policy decisions

Governments and organizations often rely on cost-benefit analysis when making public policy decisions. For instance, evaluating the impact of healthcare programs, infrastructure projects, or education reforms requires balancing financial investment against public benefits. 

A CBA example might be assessing the costs of building a new public transportation system against the societal and economic benefits of reduced traffic and pollution.

Conduct a cost-benefit analysis for important things like business expansion, process improvements, and project initiation

Best practices for an effective cost-benefit analysis

To maximize the effectiveness of your cost-benefit analysis, consider these best practices:

  • Involve stakeholders: Engage relevant stakeholders throughout the process to gather diverse perspectives and consider all potential costs and benefits.
  • Use reliable data: Base your analysis on accurate, up-to-date data. Reliable financial information is crucial for making informed decisions, especially in project-based accounting scenarios.
  • Consider long-term impacts: Look beyond immediate costs and benefits. Assess how decisions will affect the organization in the long run, including potential changes in market conditions or customer behavior.
  • Be transparent: Clearly communicate the methodology, assumptions, and findings of your analysis. Transparency builds trust among stakeholders and helps justify decisions made based on the analysis.

note icon When conducting a cost-benefit analysis, don’t overlook the importance of quantifying intangible benefits, such as employee satisfaction, brand reputation, and customer loyalty, since they can significantly impact long-term success.


Keep growing with a more powerful suite

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Boosting productivity and profitability for growing businesses

Implementing a robust cost-benefit analysis is crucial to boost productivity and profitability as your business scales. You can optimize resource allocation and enhance overall efficiency by carefully evaluating the financial implications of decisions—from technology investments to business expansions. 


To further streamline your financial management, consider exploring an ERP with advanced features like predictive analytics and workforce automation.

Cost-benefit analysis FAQ


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