More like you are doing a favor to them, and that should be compensated accordingly. The actual amount should reflect how much the company values this. But the

More like you are doing a favor to them, and that should be compensated accordingly. The actual amount should reflect how much the company values this. But the ban shouldn't be anything less than what you could earn elsewhere. So there should be an obligation to match the payout to the highest job offer you are able to get. Also, companies are still free to strive to keep their knowledgeable workers happy, with an attractive total comp and good work environment.