a. College students reduce how much detergent they use for each load of laundry in response to higher detergent prices.
(demand curve)
b. College students rush and buy discount furniture to take advantage of an unexpected price drop.
(Shift of a demand curve)
c. College students purchase many more energy drinks during finals week than during the rest of the semester.
(Demand curve)
d. Students eat out more often as the federal government increases how much grant money it provides students.
(Shift or a demand curve)