Instructional Video
Khan Academy

Khan Academy: Connecting the Keynesian Cross to the Is Curve

9th - 10th
This video is an introduction to the investment/savings curve. [9:57]
Instructional Video
Khan Academy

Khan Academy: Details on Shifting Aggregate Planned Expenditures

9th - 10th
Sal Khan shows how a change in government spending can lead to a new equilibrium. [11:45]