Skip to content

✏️ Surplus Diagrams

Redoing the surplus diagram and the welfare analyses that Bruce covered in class is terrific practice. It is very helpful to memorize the shape of each of the main cases. I’ve reproduced each of the diagrams below with graphical illustrations and tables for the answers.

✏️ First we should review the diagram for Perfect Competition. After filling in the following table, it won’t be hard to memorize the shapes of the CS, PS, and SS triangles. Remembering them will be very helpful! To help you, I’ve color-coded them.

✔ Click here to view answer

✏️ Fill in the complete table for the welfare analysis of a price ceiling.

✔ Click here to view answer

✏️ Fill in the complete table for the welfare analysis of a price floor when the government does not buy the surplus.

✔ Click here to view answer

✏️ Fill in the complete table for the welfare analysis of a price floor when the government buys the surplus.

✔ Click here to view answer