5.1 — Measuring Market Power — Class Content

Meeting Date

Thursday, April 13, 2023

Overview

Today we begin looking at regulation and antitrust to achieve more competitive markets. We begin with the extremely thorny problems of actually identifying relevant markets and measuring market power.

Readings

• Ch. 8.2.2, 12.1.1, 19 in Churcha nd Ware, 2000

Recommended Readings:

• Bresnahan, 1982, “The Oligopoly Solution Concept is Identified”
• U.S. Department of Justice, 2010, “Horizontal Merger Guidelines”
• U.S. Department of Justice, 2017, “Herfindal Hirschman Index”

Slides

Below, you can find the slides in two formats. Clicking the image will bring you to the html version of the slides in a new tab. The lower button will allow you to download a PDF version of the slides.

Tip

You can type h to see a special list of viewing options, and type o for an outline view of all the slides.

I suggest printing the slides beforehand and using them to take additional notes in class (not everything is in the slides)!

Download as PDF