Lecture 17: Covers Chapter 13 of Krugman's Principles of Microeconomics. A look at the structure of firms who operate as a monopoly. A discussion of how market power can allow for long run profit.

Lecture 16: Covers Chapter 12 of Krugman's Principles of Microeconomics. A look at perfect competition in the short and long run.

Lecture 15: Covers Chapter 12 of Krugman's Principles of Microeconomics. A look at how perfect competition works and the attributes of the perfectly competitive market.