Services depend on the people who provide them. As a result, quality fluctuates with each person's capabilities and performance. This is referred to as:. variation a) intangibility b) inconsistencyc) variability d) inseparability

The answer is B. Inconsistency.

Explanation:

In terms of economy, time inconsistency is considered a situation in which the preferences related to decision-makers change during specific periods. Thus, a specific preference can become inconsistent in another period.

This term time-inconsistency has a relationship with behavioral economics. It is said that time inconsistency can be related to different "selves" concerning decision-makers, in which each self represents the decision-maker in another period.    

what is the question?

answer; face validity;