by Paul Howard, Yevgeniy Feyman
Manhattan Institute
December 19, 2013
Part D and Medicare Advantage plans represent the first national health-care exchange (the Federal Employees’ Health Benefits Program [FEHBP] is a close cousin). While the Affordable Care Act (ACA) operates a similar exchange concept, there are important differences. First, Part D plans compete in large regional areas, not states (this creates much bigger risk pools because even large states are incorporated into larger regions), as the ACA exchanges do. Even the federal exchange is layered on top of a state-regulated insurance market. This potentially limits the ability of plans to create economies of scale to bargain with providers and to utilize innovative tools to arbitrage cost and quality differences across state markets (preferred pharmacy and mail-order networks in Part D; telemedicine and medical tourism to “centers of excellence” for health-insurance plans).

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