If the price elasticity of demand for cigarettes is 0.55, and the price of cigarettes increases by 10 percent, then the quantity of cigarettes demanded will fall by:
A.5.5 percent.
B.55 percent.
C.550 percent.
D.0.55 percent.
正确答案：5.5 percent.
If the price elasticity of demand for cigarettes is 0.55, and the price of cigarettes increases by 10 percent, then the quantity of cigarettes demanded will fall by:
A.5.5 percent.
B.55 percent.
C.550 percent.
D.0.55 percent.
正确答案：5.5 percent.