Which of the following is he marginal product of labor is the additional ___ associated with the employment of one additional person, with other production factors held constant.an example of the sorting effect in action? a) An employee choosing fewer stock options for more base pay in her pay mix. b) An employee leaving a workplace that values employees who work long hours for a different workplace that emphasizes a healthy balance between work and life. c) Management's explanation of the rationale behind an increase in medical insurance premiums. d) Job applicants listing SAT scores, GPAs, majors and minors, and internships on their resumes