This course focuses on topics in industrial organization, the field of economics that studies companies and their behavior. Topics covered include production and productivity, pricing, demand estimation, oligopolies, equilibrium market structure, antitrust and regulation, vertical integration and contracting, strategic behavior, search and advertising, and two-sided markets. The course is aimed at students who are comfortable with at least intermediate-level microeconomics, and ideally have already taken 33001 (Microeconomics) or equivalent. The course material combines both theoretical and empirical elements, and you should be prepared for both abstract and practical treatments of issues. The course can also serve as a complement to, but not replacement for, 42001 (Competitive Strategy).