Tutorials

1. Here is a brief review of the Perfectly Competitive model, for the firm and the industry in the short run and long run.

2. Here is a numerical example of the Dominant Firm/Competitive Fringe model, with discussion about the ways in which it is different from Monopoly.  And here is a different algebraic example with a graph, so you can see how the graph and algebra correspond to each other.

3. Here are some questions and answers based on how a Monopoly industry behaves.  Think of Stucture, Conduct and Performance as you do these problems.

4. Cournot, Stackelberg, Bertrand???  Here are a bunch of Oligopoly questions,,,,some with answers worked out, and some without.

5. Here are some notes and some questions about Second Degree Price Discrimination (Self-selection, or Versioning).

6. Here are some questions, some answers, and some more questions about Third Degree Price Discrimination (Group Pricing, or Market Segmentation).

7. Here is a practice question (without answers provided) on the Dominant Firm/Competitive Fringe model.

8. Here are some notes and an example on the theory of "limit pricing".  It's not perfect, but it gives you the idea of the theory in the context of a worked-out mathematical example.  You will probably want to look at the discussion in the textbook at the same time.

9. Here are some questions and answers about International Trade...especially, the effects of tariffs, quotas and subsidies on prices and on consumer and producer welfare.

10. Answers to Review Questions, covering many of the topics taken up this term.