What Might Be The Advantages And Disadvantages Of Individual Business Units Conducting Their Own HR Activities And Human Development?

Here is a list of advantages and disadvantages:
First, the advantages:
- It gives the individual business units an insight about their employees
- It make the communication gap much smaller for the employees
- The decentralization allows open decision making.

However there are some disadvantages as well:
- The central HR will not know what is going on with the departments.
- It gives more right to the departments and they can misuse the rights at any time