These YouTube clips help us to understand some of the ideas to do with Market Failure. Some of the ideas in the first clip are not needed for IGCSE understanding (adverse selection and moral panic).

1) General understanding of Market Failure

2) Negative Externalities Explained

Note this uses Marginal Costs and Marginal Benefits curves. Marginal Benefits is the same as the Demand Curve. Marginal Costs is the same as the Supply Curve.

3) Public Goods