This unit is crucial to macroeconomics and I've spent years putting together and perfecting these materials. It's EVERYTHING you'll need for students to learn, practice, and master Aggregate Supply and Demand, and the graphing models that illustrate it.Teaching time: bare minimum 10 traditional 50-minute class periods. Included:4 video lessons. Intro to the Aggregate Supply & Demand Model (14 minutes)Shifters of Aggregate Demand (8 minutes)The Multiplier Effect and AD: Spending and Tax Multi