Chapter 4

Building a Financial Model by the Rulebook

IN THIS CHAPTER

Bullet Documenting assumptions

Bullet Creating dynamic formulas using links

Bullet Entering data once

Bullet Modeling with consistent formulas

Bullet Building error checks

Bullet Formatting and labeling your models

Because Excel is such a wonderfully flexible and universal tool, you can pretty much do anything with it — but that doesn’t mean you should! A key danger of using Excel is lack of discipline, leading to errors. When building a financial model in Excel, you’re unlikely to encounter the limitations and boundaries imposed by other, less flexible software, so there are certain rules you should follow to avoid these issues. In this chapter, I fill you in on some key rules you should follow when building a financial model.

Document Your Assumptions

The term “garbage in, garbage out” is never truer than in relation to financial modeling. You can have ...

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