Although he was a prolific artist, Pablo Picasso painted only 1,000 canvases during his "Blue Period." Picasso is now dead, and all of his Blue Period works are currently on display in museums and private galleries throughout Europe and the United States.

5. The supply of Picasso's paintings from his Blue Period is represented by

1. Horizontal supply curve
2. Upward sloping supply curve
3. Vertical supply curve
4. Downward sloping supply curve
5. None of the above

6. Suppose rich art collectors decide that it is essential to acquire Picasso Blue Period art for their collections. This will cause a ............................. shift of demand such that in the market ...................................

1. Left, price rises but quantity is unchanged
2. Left, price is unchanged but quantity rises
3. Right, price rises but quantity is unchanged
4. Right, price is unchanged but quantity rises