Economic Theory Posits That a Resource That Is Finite and Being

Multiple Choice

Economic theory posits that a resource that is finite and being depleted will rise in price continuously and demand will be reduced.In fact, a recent study, graphing the price behavior of lead, zinc, and copper found that until about 2007,

A) prices rose steadily, as predicted.
B) prices dropped precipitously.
C) prices remained remarkably stable.
D) prices were up and down with no discernible pattern.