What is the main advantage of using complex projection methods over simpler ones?

• A. They provide better support for the numbers.
• B. They always yield significantly more accurate results.
• C. They are faster to implement.
• D. They require fewer data inputs.

Answer: (A)

Complex projection methods improve the credibility of the numbers by incorporating more information, drivers, and assumptions that explain why the projections should behave in a certain way. By tying results to a broader set of inputs and relationships, the numbers become more defendable and transparent to auditors and decision-makers, because you can show how each input influences the outcome and how uncertainties are handled. This stronger support often makes the projections more persuasive, even though it doesn’t guarantee large gains in accuracy in every situation. In fact, greater complexity can introduce model risk and requires more data and effort to implement properly. So the main advantage is that the numbers are better supported and more defensible.