Economic Competition: The effort of two or more parties to secure the business of a third party by offering, usually under fair or equitable rules of business practice, the most favorable terms.Competitive Behavior: The direct struggle between individuals for environmental necessities or for a common goal.Managed Competition: A strategy for purchasing health care in a manner which will obtain maximum value for the price for the purchasers of the health care and the recipients. The concept was developed primarily by Alain Enthoven of Stanford University and promulgated by the Jackson Hole Group. The strategy depends on sponsors for groups of the population to be insured. The sponsor, in some cases a health alliance, acts as an intermediary between the group and competing provider groups (accountable health plans). The competition is price-based among annual premiums for a defined, standardized benefit package. (From Slee and Slee, Health Care Reform Terms, 1993)Binding, Competitive: The interaction of two or more substrates or ligands with the same binding site. The displacement of one by the other is used in quantitative and selective affinity measurements.