Consider the market for nuclear batteries. A nuclear battery
uses atomic energy to produce an extremely long-lasting power
source. An input in the production of nuclear batteries is
promethium, a rare earth metal. China, the world’s largest producer
of promethium, recently announced that it would close three of its
eight rare earth metal mines, resulting in an increase in the price
of promethium. In the market for nuclear batteries, the market
price _____, and market quantity _____.
A. increases...increases
B....