Question

Window cleaners that work the top floors of high-rise office buildings are, on average, paid approximately 30 percent more an hour than those that clean windows on the bottom floor. This is an example of

Answer 1

The answer is compensating wage differentials.

Step-by-step explanation:

The term refers to an extra amount of money that should be offered to a worker in order to perform a difficult, dangerous or undisirable job. On the other hand, it's also possible to offer a negative differential for jobs that may be desirable or easy to perform (they get paid less).

Some factors to consider are risk of injury or risk of future unemployment.