Before You Roll Out That Big Intervention—Have You Done This One Crucial Analysis?

Before any big district or national rollout, one question matters most: will the benefits truly outweigh the costs over time? This post walks through a practical, step-by-step approach to Cost-Benefit Analysis—showing how to define a solid counterfactual, capture real-world costs, run sensitivity tests, and deliver decision-ready metrics like NPV, BCR, and IRR.