1) Carrots 2) Stimuli 1) Rebates, basically 2) Sales rebates 3) Spurs to action 
Profit sharing arrangements offered by HMOs and managed care plans that permit hospitals, providers, subcontractors and physicians to share in amounts earned from plan savings through reduced hospital and specialty referral usage. Normally, clinicians involved in profit-sharing will increase personal income or profit by reducing the quantity of car...
Payments to stimulate industrial activity
'Extras' designed to increase response rates to a marketing message, e.g. a prize draw.
External stimuli or rewards that motivate behavior although they do not relate directly to biological needs.