Their functioning must be managed, and this takes management time.

"How can you minimize management time spent running around the world to promote the stock?"

The 2010s have seen the mall change ownership and management several times.

A great deal of management time has gone into it.

Not impossible, but with a reducing budget to find management time for all this?

This was found simply to mean "requiring considerable management time and effort".

How much of their inspectors' and management time did it require?

"It is intended to give management time to find a better offer."

More important, he says, is the management time required to make sure the rules are followed.

Probably there is a similar cost, at least in management time, for the company.