The students in this study were junior and senior college students from two sections of a course in internet marketing at a large northeastern university. the nonstudents were a group of individuals who were recruited to attend commercial focus groups on the west coast conducted by a lifestyle marketing organization. discuss how the method of selecting the subjects in this study relates to the conclusions that can be drawn from it.

Consider the labor market for heath care workers. because of the aging population in the united states, the output price for health care services has increased. holding all else equal, what effect does this have on the labor market for health care employees? a. the equilibrium wage increases and the equilibrium quantity of labor increases.b. the equilibrium wage increases and the equilibrium quantity of labor decreases.c. the equilibrium wage decreases and the equilibrium quantity of labor increases.d. the equilibrium wage decreases and the equilibrium quantity of labor decreases.