For business or divisions within the same business the measures that are already used to measure success, especially those that are close to their terminal goals would likely be sufficient.
It would be pretty hard to come up with a good measure for individuals. I would say their level of improvement on goals they set for themselves, but understand how that would be hard to use as the basis for a study. Perhaps happiness or money as those are both very common major goals.
For business or divisions within the same business the measures that are already used to measure success, especially those that are close to their terminal goals would likely be sufficient. It would be pretty hard to come up with a good measure for individuals. I would say their level of improvement on goals they set for themselves, but understand how that would be hard to use as the basis for a study. Perhaps happiness or money as those are both very common major goals.