Shortages and Surpluses
Teacher Guide
Whether a $4 rent ceiling or a $12 minimum wage changes anything comes down to whether the control even bites, a test built into its own slide before either graph gets drawn. A graph-paper extension has students hand-plot the $8 equilibrium and both gaps.

Download the Teacher Guide
Word (.docx)
Where should I send the next one?
Everything here is free and it stays that way. Leave your email and I'll send you the new lessons as they go up. You can unsubscribe from any one of them.
Did this save you a prep period? You can chip in toward my three kids' daycare fund. Everything on this site stays free either way.