Sports is an example where you see that the wages are inpay is often determined by productivity, right? When things rdone in a team, it's often hard to ascribe the outcome to any one person. But of course, a great football coach or a great baseball general manager understands has some non easily quatified ways of figuring out whose contributing may not always be accurate. That's not literally there in the workplace. You know how many hours people are in the office sometimes, but you don't always know what they actually contribute.