The Supply Curve of Books (Which Are Produced Using Paper

Multiple Choice

The supply curve of books (which are produced using paper made from trees) will shift to the left in response to:

A) ​a decline in college tuition.
B) ​a sharp increase in the demand for and construction of wood-frame homes.
C) ​an increase in the supply of lumberjacks.
D) ​an end to government regulations that limit timber harvesting in national forests.