Ec 105

Meeting times and location: Fridays 1-4pm.

Syllabus: PDF

For class next Friday (March 3, 2023): Please come prepared with a preliminary version of your final presentation (about 7-10 slides). I will have office hours with each of you in preparation for your final presentations on March 10, 2023.
~~Instructions for exam next Friday (February 24, 2023): Please pick up the exam at 1pm from Letty Diaz, who sits outside my office at 301D Baxter Hall. Return it by 4pm to Letty.~~
~~Here is a previous final exam for this class. Please solve it and turn it in during class on Friday, February 17, 2023.~~
~~For next Friday, February 10, 2023, please read this short paper on price discrimination. Look around and document three instances of price discrimination. Hand this in next class.~~
~~Here is a previous midterm for this class. Please solve it and turn it in during class on Friday, February 3, 2023.~~
~~Problem Set 2 is due on Friday, January 27, 2023; please bring it to class that day.~~
~~For Friday, January 20, 2023: please give me a writeup describing ideas for your final presentation.~~
~~Please come and talk to me as soon as possible regarding the topic for your final presentation.~~
~~Problem Set 1 is due on Friday, January 13, 2023; please bring it to class that day. Do problems 1,3,4,6-10.~~

Costs PDF
Perfect Competition and Monopoly PDF
Oligopolistic Competition PDF
Mixed strategies in tennis matches? (Walker and Wooders paper)
Edgeworth cycles in gasoline: Perth, Australia (Wang paper)
Edgeworth cycles in gasoline: Toronto, Canada (Noel paper)
Cartels and collusion I PDF
Cartels and collusion II PDF
Collusive pricing in supermarkets? (Chevalier, Kashyap, Rossi paper)
Case study: the Joint Exective Committee (Porter paper)
Incumbent advantage. Entry deterrence and accommodation PDF
Entry deterrence in pharmaceuticals? (Ellison and Ellison paper)
Product differentiaion PDF
Excessive entry in radio markets? (Berry and Waldfogel paper)
Price discrimination (Part 1) PDF
Price discrimination (Part 2: nonlinear pricing) PDF
Nonlinear pricing in coffee (McManus paper)
Information Costs Part 1: Search and price dispersion PDF
Search in online book markets: sequential vs. non-sequential (de los Santos, Hortacsu, Wildenbeest paper)
Search in gasoline markets (Lewis and Marvel paper)
Information Costs Part 2: Adverse selection and moral hazard PDF
Vertical control PDF
Downstream moral hazard in perfume markets (Chevalier and Carlton paper)
Games with asymmetric information: Auctions
Bounded rationality in markets PDF