According to New Classical School of Economics, the Aggregate Supply

Multiple Choice

According to new classical school of economics, the aggregate supply curve is:

A) horizontal in both the short run and the long run.
B) vertical in the short run and upward-sloping in the long run.
C) upward-sloping in both the short run and the long run.
D) vertical in both the short run and the long run.
E) upward-sloping in the short run and vertical in the long run.