One of the textbook examples of monopoly power comes from De Beers Diamond Corporation and their control over the diamond markets since the end of the Great Depression. In this short scene, Adam Conover covers the history on engagement rings and discusses the monopoly power that the De Beers company had in the market.

Adam Ruins Everything is a half-hour informational comedy were host, Adam Conover, debunks popular myths. Each episode is divided into 3 segments with some common theme. In the Spring of 2018, James Tierney and I sat down to go through all three seasons of Adam Ruins Everything to pick out examples in each episode that could be used in an economics course. If you’re curious about the paper, you can read about it here.