Al Believes That SUVs Have Negative Social and Environmental Effects

Multiple Choice

Al believes that SUVs have negative social and environmental effects because of their increased carbon monoxide emissions. He proposes eliminating sales taxes on smaller automobiles in favor of higher sales taxes levied on SUVs. Al performs somecalculations and comes to the conclusion that based on the current number of SUVs owned in the U.S. exactly the same amount of total sales tax will be collected under his reformed system. Which of the following concepts explains why Al's idea may not work?

A) The ability to pay principle.
B) Substitution effect.
C) Vertical equity.
D) Horizontal equity.
E) None of the choices are correct.