Robert Schenk, PhD
Monopolistic Competition
An example problem is given that shows how monopolistic competition works. Also an explanation of the model of monopolistic competition is given.
Palomar Community College District
Palomar College: Lesson 1: Production Costs
This lesson provides a good outline for a unit on the study of "production costs". Charts and graphs are provided to help understand a firm's cost curves, and at what level of production they should produce.
Illustrative Mathematics
Illustrative Mathematics: F if Average Cost
In this task, young scholars must calculate the average cost for a DVD recording for different numbers of DVDs and explain why the cost levels off as the number of DVDs goes up. Aligns with F-IF.B.4 and F-IF.B.5.