Season 1, Episode 3: The Night’s Watch is a public good. They protect the Seven Kingdoms from white walkers and wildlings. But like most public goods, the Night’s Watch is underfunded – which is a market failure. In this clip, we see Aemon appealing to Lord Tyrion to help convince the King and Queen for the government to provide more support for the Night’s Watch.

To teach this concept in the classroom, click here for a lesson plan