Where's your motivation?

sugar-cubes

Click here to download a pdf of the full feature showing figures and equations. Wikipedia offers a nicely succinct definition of an incentive as being any factor (financial or non-financial) that provides a motive for a particular course of action, or counts as a reason for preferring one choice to the alternatives. Compared with other definitions this one seems preferable, because it is wider, referring not only to rewards (remuneration incentives, the ‘carrot’), but also to puni