One reason why merit pay plans are employed with a much greater frequency than wage incentive plans is that

Question $4$ options:

white$-$collar workers particularly believe that performance should be an important determinant of pay.

blue$-$collar jobs more often offer objective performance criteria with which pay can be linked.

blue$-$collar workers tend to perceive a strong link between rewards and performance.

merit pay plans that are actually in use are very effective.

substantial evidence indicates that merit plans are very effective for improving performance.