If a 10% decrease in the price of a good leads to a 20% increase in the quantity demanded, then what is the price elasticity of demand? – 极搜搜

If a 10% decrease in the price of a good leads to a 20% increase in the quantity demanded, then what is the price elasticity of demand?

If a 10% decrease in the price of a good leads to a 20% increase in the quantity demanded, then what is the price elasticity of demand?

A.10.

B.2.

C.20.

D.?.

正确答案：2.