Trying to work out which incentives actually work has never been easy - in part, because we're dealing with people and what works for one, doesn't always work for another! To achieve the maximum impact on performance while keeping the incentives meaningful to those in question requires skill, strategy and systematic trial and error! One has to combine behavioral science and pure economics in the context of the people that you're trying to motivate. Check out Incentive Magazine's top 10 ways to make incentives more effective.