A little more sense
of the real world.
Why is your grocery bill still rising? How can a profitable business run out of money? We explain the economic and financial ideas behind questions like these.
Start with something
you’ve noticed.
A headline. A price tag. A business that seems to have everything going for it. There’s usually an idea underneath that makes the story easier to understand.
The Margin follows that idea through: what it means, how it works, and what changes when you put some numbers to it. You can arrive with a question and leave with an explanation you can follow.
Two ways in.
See how we
got there.
Our articles link to sources, identify historical dates, and label hypothetical examples. Calculations show their assumptions. AI-generated editorial artwork is identified as an illustration.
A short question at the end lets you try the concept for yourself. Choose an answer, compare the explanations, or keep reading. It’s an invitation to explore the idea, not a measure of exam readiness.
Curiosity here.
Exam focus in Cairn.
Cairn’s goal is simple: help learners pass exams faster and more efficiently. Its first focus is CFA Level I.
The Margin brings the concepts into the real world. If you’re also preparing for the exam, you can explore Cairn from here.
Meet Cairn