Integrative negotiation is the way by which two (or more than two) parties brainstorm and think while sitting together to find a solution to a problem(s). usually, both of the parties have a common interest in sorting that issue.
Jack was hired by Stealth corporation 1 year ago on a defined Job description with a fixed payroll. Over time the manager added some more tasks in Jack’s JD with no raise in the payroll.
Now Jack and the manager would sit together to talk and get to a solution to the problem that Jack feels he got himself in with the addition of new tasks to his JD.