In the Late 1980s, Some Medical Authorities Announced That an Acne

Multiple Choice

In the late 1980s, some medical authorities announced that an acne medication named Retin-A had previously unknown wrinkle-reducing properties.An economist would predict that, following this announcement, the price of Retin-A ____ and the quantity sold__.

A) would rise; would decrease
B) would rise; would increase
C) would fall; would fall
D) would fall; would rise