There could very easily be such a formula. The only interesting things in it are whether you set firmwide/regional minimums/maximums, and how far you allow the

There could very easily be such a formula. The only interesting things in it are whether you set firmwide/regional minimums/maximums, and how far you allow the ranking to move your numbers from everyone getting the same increase - eg, does the top ranked employee get 5% more than the median employee, or 50% more?