Which of the following statements about the IS curve is not correct?
A. The IS curve shows all the combinations of the real interest rate r and output Y that represent the equilibrium in the market for goods and services.
B. The IS curve is downward sloping.
C. Changes in government spending G will induce a shift of the IS curve.
D. Changes in the real estate r will induce a movement along the IS curve.
E. The IS curve shows all the combinations of the price level P and output Y that represent the equilibrium in the market for real money balances.