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Lesson 50

Intangible Benefits and Externalities in Project Evaluation

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Hello! Welcome back to our course on engineering economics.

In the last lesson, we performed a benefit-cost analysis for a cloud migration project. That was a great example of a decision driven by clear, quantifiable financial data—the "benefit" was the direct cost savings from shutting down an on-premise data center. However, as a manager, you know that many of the most important outcomes of a project, especially in software, aren't so easy to price.

This brings us to today's topic. Our goal is to identify and qualitatively describe intangible benefits and externalities in project evaluations. We will expand our analysis beyond the balance sheet to include crucial non-monetary factors that can make or break a project's true value. Understanding these concepts is vital for making holistic, strategic decisions and for effectively communicating the full impact of your proposed projects to stakeholders.


1. Beyond the Numbers: What Are Intangible Benefits?

In our cloud migration case, the benefits were tangible—dollars saved on hardware and electricity. But what about benefits like improved team morale, enhanced brand reputation, or a more streamlined workflow? These are intangible benefits.

An excellent resource from the software engineering field defines these as "knowledge assets."

Software Engineering Economics and Declining Budgets

The following article, 'Software Engineering Economics and Declining Budgets,' provides a concise definition of intangible assets that is directly relevant to your work. It will help us anchor this concept in a software context.

Please read the short sections titled 'What are intangible assets?' and 'Identifying and Characterizing Intangible Assets'. Focus on how they are defined as non-physical assets that impact performance, like processes and know-how.

As the reading suggests, intangible benefits are real, even if they don't have a price tag. In your experience as a software developer and manager, you've likely encountered many:

  • Internal Improvements: Refactoring a legacy codebase might not immediately increase revenue, but it can boost developer productivity, reduce bugs, and lower long-term maintenance stress.
  • Customer-Facing Improvements: A redesign of a user interface could lead to higher customer satisfaction and loyalty, which is valuable but difficult to quantify in the short term.
  • Strategic Alignment: Developing a new platform using a modern tech stack might position the company to enter new markets or attract top engineering talent.

This diagram helps categorize these benefits and highlights a key challenge: the further into the future or the more strategic the benefit, the harder it is to measure.

Categorization of Intangible Benefits
This diagram organizes intangible benefits into 'On-going' (like internal process improvements) and 'Future' (like strategic adaptability). The arrow indicates that measuring future-oriented benefits is typically more difficult than measuring immediate, ongoing ones.


2. Looking Outward: Understanding Externalities

Our analysis so far has focused on the project's impact on the firm (the "private" perspective). But projects can also affect parties not directly involved in the transaction. These side effects are called externalities.

To grasp this distinction, let's first contrast a purely financial analysis with a broader economic one.

Intro to Cost-Benefit Analysis

This video, 'Intro to Cost-Benefit Analysis' from the Conservation Strategy Fund, clearly explains the difference between a private firm's perspective and a wider societal perspective.

Please watch from the beginning to 03:56. Notice how the analysis for a private mining firm (focused only on profit) differs from the analysis for the town (which must consider jobs, pollution, and loss of other resources).

The video introduces the idea that a project has wider impacts. Externalities are those impacts—costs or benefits—that affect "bystanders."

  • Negative Externality: A cost imposed on others. The classic example is a factory that pollutes a river. The public bears the cost of a contaminated water supply, even though they didn't buy or sell the factory's product.
  • Positive Externality: A benefit conferred on others. A company that invests in creating a major open-source software library creates a positive externality. Other developers and companies can use that library for free, reaping benefits from the original company's investment.

This next video provides a sharp definition and a memorable example of a negative externality.

What Are Negative Externalities?

The video 'What Are Negative Externalities?' from Marginal Revolution University offers a very clear and concise explanation of this concept.

Watch the segment from 02:01 to 04:02. Focus on the definition of externalities as effects on 'bystanders' and how the use of antibiotics creates a cost for society (bacterial resistance) that the individual user doesn't pay.

For technology projects, externalities can be subtle but significant:

  • Example (Negative): A new ride-sharing app might increase traffic congestion and put downward pressure on wages for traditional taxi drivers. These are societal costs not borne by the company or its users.
  • Example (Positive): Building a new office might revitalize a neighborhood, increasing business for local shops and raising property values. The company doesn't directly capture this value.
Test your understanding!

Your company is considering building a free-to-use, public API that exposes interesting (but non-proprietary) data from one of your platforms. You need to justify the development cost to management.

  1. What is a potential intangible benefit for your company?
  2. What is a potential positive externality of this project?
Show answer
  1. A potential intangible benefit could be enhanced brand reputation as a technology leader, attracting talented engineers who want to work on cool projects. It could also lead to unexpected internal innovations as your own teams find new ways to use the API.

  2. A positive externality would be the value created for the wider community. Students, hobbyists, or other companies could use your API to build new applications or conduct research, creating value for society that your company doesn't directly profit from.



3. How to Describe What You Can't Measure

If these factors are so important but can't be put into a B/C ratio, what do we do? We identify, describe, and qualitatively assess them. The goal is to provide a structured narrative alongside the financial numbers.

As noted in the MIT OpenCourseWare materials on Cost-Benefit Analysis (resource ID LINK), intangibles are a core challenge in project evaluation. They are defined as benefits that are "either unquantifiable (such as scenic effect of a highway) or they can be quantified but is difficult to value in a market sense (life saving impact)."

Instead of giving up, we can use scoring models to add rigor to our qualitative descriptions. This turns a vague statement like "it will improve our brand" into a more structured assessment.

Look at this example of a scoring matrix for evaluating the intangible impacts of R&D projects.

Intangible Benefits Assessment System
This image shows a scoring matrix used to assess the intangible value of a technology. It scores a project on criteria like its strategic relevance, its potential to enable organizational change, and its contribution to technological leadership, assigning a value from 1 to 5 for each.

This framework provides a disciplined way to think through and present intangible benefits. When you propose a project, you can use a similar model to show stakeholders how it aligns with strategic goals, even if you can't assign it a direct dollar value. You could rate a project on a 1-5 scale across dimensions like:

  • Strategic Fit: How well does this project align with our 3-year business plan?
  • Knowledge Building: Will this project develop critical new skills in our team?
  • Competitive Advantage: Does this give us a unique capability that competitors can't easily replicate?
  • Customer Satisfaction: How much will this improve the user experience?

This approach doesn't give you a magic number, but it provides a defensible and transparent basis for comparison, ensuring these vital factors are not ignored.



Conclusion

Today, we've moved beyond the strict confines of financial calculation to embrace a fuller picture of project value. You learned how to identify crucial non-monetary factors that are often decisive in technology projects.

  • Key Takeaways:
    • Intangible benefits are non-physical assets that create value for the firm, such as improved processes, employee knowledge, and brand reputation.
    • Externalities are the side effects of a project that impact third parties, creating either costs (negative) or benefits (positive) for society.
    • A comprehensive project evaluation must account for both tangible and intangible factors.
    • While intangibles are difficult to price, they can be systematically identified, described, and assessed using qualitative frameworks like scoring models.

Preview of the Next Lesson

We've just introduced the idea of using scoring models to assess intangibles. In our next lesson, we will put this into practice. We will focus on how to apply non-monetary scoring models to compare projects with significant intangible factors, giving you a hands-on tool for making complex trade-off decisions.