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.
Fifteen or 16 hours per semester is an average full time load. By that measure, you would need *at least* 24-32 credit hours to escape freshman status and be called a sophomore. This figure will vary by institution - check at the college of your choice. Many, if not most, colleges have a copy of the student handbook available online.