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 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.

Lecture 14: Covers Chapter 11 of Krugman's Principles of Microeconomics. A look at the nature of cost curve structure and the product curves.