The Wage Gap Between Skilled and Unskilled Worker Has

Multiple Choice

The wage gap between skilled and unskilled worker has

A) risen; economists argue that this may be due in part to technological progress.
B) risen; economists argue that none of the rise is due to technological progress.
C) fallen; economists argue that this may be due in part to technological progress.
D) fallen; economists argue that none of the fall is due to technological progress.