Y C I G X AE S MPC MPS S IM MPI
100 120 20 30 10 180 -20
-20 0
300 300 20 30 -10 340 0 0.9 0.1 0 20 0.1
500 480 20 30 -30 500 20 0.9 0.1 20 40 0.1
700 660 20 30 -50 660 40 0.9 0.1 40 60 0.1
1. If government spending increases by $15, what is the new equilibrium level of real GDP?
2. What are the equations for the consumption, net exports, and aggregate expenditures functions?