In Determining Wages, Ability, Effort, and Chance

Multiple Choice

In determining wages, ability, effort, and chance

A) probably play no role whatsoever.
B) play a role, but their importance is hard to gauge since ability, effort, and chance are hard to measure.
C) play a role, and that role is fully captured in easy-to-measure factors such as human capital and age.
D) play a role, and it is fully explained within the context of compensating differentials.