Reffonomics Video -- Determinants of Demand, Part II

After watching the video, scroll down to take the three multiple choice questions.

1. Peanut butter and jelly are complements. As the price of peanut butter goes up, what happens to the market for jelly?

A) D (increases); P (down); Q (down)
B) D (increases); P (down); Q (up)
C) D (increases); P (up); Q (up)
D) D (decreases); P (up); Q (up)
E) D (decreases); P (down); Q (down)

2. Sports' drinks and sodas are substitutes. As the price of soda goes up, what happens to the market for sports' drinks?

A) D (increases); P (down); Q (down)
B) D (increases); P (down); Q (up)
C) D (increases); P (up); Q (up)
D) D (decreases); P (up); Q (up)
E) D (decreases); P (down); Q (down)

3. As people's income goes down, what happens to the market for normal goods?

A) D (increases); P (down); Q (down)
B) D (increases); P (down); Q (up)
C) D (increases); P (up); Q (up)
D) D (decreases); P (up); Q (up)
E) D (decreases); P (down); Q (down)