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Mukamel D, Zwanziger J & Tomaszewski J, (2001)
‘HMO Penetration, Competition, and Risk-Adjusted Hospital Mortality’
HSR 36(6 Pt 1): 1019-35
- Assesses the HMO ‘spill-over’ effect – how does HMO
penetration and competition affect the treatment quality of non-HMO patients?
- Hospital competition (HHI-measured) is included as an explanatory
variable, along with several other hospital characteristics.
Key results:
- Hospital competition, as measured by the HHI, was not a significant
determinant of excess mortality in any of the models estimated, and
nor was HMO penetration.
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