The AD (aggregate demand) curve is defined by the ISâLM equilibrium income at different potential price levels. The downward sloping AD curve is derived from the IS/LM model.
Who is considered a junior in college? A full college schedule requires 15 credit hours per semester, 30 credits per scholastic year: thus a sophomore would have earned 60 credits and a student carrying credit hours in excess of 60 credit hours would be conisdered a junior in college. Mohamed Elhegery.
Other definitions: 1  Freshman: a student who has completed fewer than 30 credit hours. 2  Sophomore: a student who has completed 30 or more credit hours. 3  Part time: a student carrying fewer than 12 credit hours in a fall or spring semester.