Studies Show That the Income Elasticity of Demand for Wine

Multiple Choice

Studies show that the income elasticity of demand for wine is approximately five.What does this mean?

A) A 1 percent decrease in the price of wine leads to a 5 percent increase in wine consumption.
B) A 1 percent increase in income leads to a 5 percent increase in wine consumption.
C) A 5 percent increase in income leads to a 1 percent increase in wine consumption.
D) Wine is a relatively elastic good.