How much have they given so far in collective bargaining?

It's trying to take away collective bargaining from one million federal workers.

They say that the changes are subject to collective bargaining.

That, says the association, is a matter for collective bargaining.

He tells me the days of collective bargaining are over.

The rules of collective bargaining probably wouldn't even allow it.

But when collective bargaining doesn't work, you get a strike.

In contrast, Democrats want workers to keep the federal job security won after years of collective bargaining.

"So they felt their interests would be better served with collective bargaining."

The union argued that the new policy was a matter for collective bargaining.