a. What assumptions are made to justify the shape of the
short-run aggregate supply curve; i.e., that it is horizontal at a
given price level?
b. What assumptions are made to justify the shape of the
long-run aggregate supply curve; i.e., that it is vertical at a
full-employment level of output?
c. Recently, oil prices have been declining in the U.S. Oil
prices hovered around $100 per barrel during much of 2013 and 2014.
During 2015 until the present day,...