An association of healthcare plan sponsors who pool their resources to negotiate with insurers or other healthcare payers and providers. A coalition may also be a group of individuals or others who cooperate and join forces around a specific agenda or purpose.

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Voluntary groups of people representing diverse interests in the community such as Hospitals, businesses, Physicians, and Insurers, with the principal objective to improve Health Care Cost effectivene [..]

Coalitions appear in an incredible diversity of economic and game-theoretic situations, ranging from marriages, social coalitions and clubs to unions ...