Final answer:
Handling a large volume of email often leads to reduced productivity due to the time and attention required to manage and respond to the numerous messages, distracting from other critical tasks.
Step-by-step explanation:
A common issue related to handling a large volume of email is b) Reduced productivity. This challenge arises because managing and responding to a high volume of emails can be time-consuming and may distract from other important tasks. Contrary to the positive aspects of bureaucracies, which aim at increased productivity and efficiency, or the intended effects of the team halo effect and the goal of scientific management—which also target productivity enhancements—excessive email can inversely impact productivity levels by causing information overload and task disruption.