) The Internet has created a new category in the book selling market, namely, the "barely used" book. How does the availability of barely used books affect the market for new books?
A) The demand curve for new books shifts to the right.
B) The demand curve for new books shifts to the left.
C) The supply curve for new books shifts to the right.
D) The supply curve for new books shifts to the left.

Question

) The Internet has created a new category in the book selling market, namely, the "barely used" book. How does the availability of barely used books affect the market for new books?
A) The demand curve for new books shifts to the right.
B) The demand curve for new books shifts to the left.
C) The supply curve for new books shifts to the right.
D) The supply curve for new books shifts to the left.

anonymous · Answer

B) the barely used books are substitutes for the new books.