Welcome to the Causal blog

We write about numbers and adjacent topics — statistics, data, visualisation, and best practices for modelling and forecasting.

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Featured posts

Ongoing Expenses vs. One-time Expenses

Where accounting and unit economics diverge, continued

Financial Statements: A Beginner's Guide

A guide to the language of business.

Forecasting with (un)certainty

Why averages are misleading, and what you can do about it.

All Posts

Should I hire a full-time or outsourced CFO?

If you want to get serious about your business's financials, you need a CFO. But how do you find the right type?

Sensitivity Analysis, Explained

Sensitivity analysis is a powerful tool that can help you understand how variables affect one another in complex models.

How to Build a Startup Business Plan

Having a business plan for your startup is vital for getting buy-in from investors.

The Purpose of Business Modeling

Business Modeling vs. Budgeting vs. Forecasting vs. Accounting

Crossing Over on Causal.app

This week was my “2007 for solar”, I crossed over.

Calculus in SaaS

ARR : Revenue :: Velocity : Distance

Ongoing Expenses vs. One-time Expenses

Where accounting and unit economics diverge, continued

How much do Facebook Ads Cost?

CPM, CPC, Conversion Rate (updated August 2020)

How to Build Accurate Financial Projections

Financial projections let you communicate the future of your business in numbers. They help investors and other stakeholders understand where your business is going.