For each of the following markets state whether each of the following describes a change in

supply or a change in the quantity supplied (movement along the curve vs. shift). If the

supply curve shifts, indicate whether it will increase or decrease (shift left or right).

a. To take advantage of high prices for snow shovels during a snowy winter, Alexander

Shovels decides to increase output.

b. The success of Apple iPad leads more firms to begin producing tablet computers.

c. In the six months following the Japanese earthquake and tsunami in 2011, production of

automobiles in Japan declined by 20 percent.