Why are there superstar basketball players but no superstar plumbers? Part 2 There are superstar basketball players but not superstar plumbers Part 3 A. due to technological advances that have increased the number of viewers for basketball games. B. because the total value of playing basketball is greater than the total value of fixing toilets. C. due to compensating differentials for unpleasant job aspects. D. due to discrimination against plumbers. E. because basketball players are members of a labor union but plumbers are not