Which of the following would prevent a single equilibrium wage existing across all labor markets?

Question

Quizplus · Accepted Answer

If workers have different skills and preferences, they would have different levels of productivity and demand in different labor markets which would result in different equilibrium wages. A competitive labor market, firms being free to enter any of the labor markets, potential workers being able to freely enter any of the labor markets, and payroll taxes would not necessarily prevent a single equilibrium wage existing across all labor markets.

Which of the Following Would Prevent a Single Equilibrium Wage