A reasonable dynamic assumption for the IS-LM model is that
A.
the economy is always on both the IS and LM curves.
B.
the economy is always on the IS curve, but moves only slowly to the LM curve.
C.
the economy is always on the LM curve, but moves only slowly to the IS curve.
D.
the money market is quick to adjust, but the bond market adjusts more slowly.
E.
adjustment to the new IS-LM equilibrium is instantaneous after an LM shift, but not after an IS shift.