NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Access to Care, Provider Choice and Racial Disparities

Anna Aizer, Adriana Lleras-Muney, Mark Stabile

NBER Working Paper No. 10445
Issued in April 2004
NBER Program(s):   HE   CH

This paper explores whether choice of provider explains any of the observed infant health gradients, and if so, why poor women choose different providers than their richer neighbors. We exploit an exogenous change in policy that occurred in California in the early 1990s that suddenly increased Medicaid payments to hospitals and which lead to a sharp change in where women with Medicaid delivered. To characterize the extent to which poor women responded to the increase in provider access, we calculate hospital segregation indices (which measure the extent to which Medicaid mothers delivered in separate hospitals than privately insured mothers residing in the same geographic area) both before and after the policy change for each market in California and show that it fell sharply after the policy change. Even though black mothers responded least to the increase in provider choice afforded by the policy change, they benefited the most from hospital desegregation in terms of reduced neonatal mortality and decreased incidence of very low birth weight. In contrast, other groups with lower initial neonatal mortality moved more and gained less in terms of improvements in birth outcomes.

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Document Object Identifier (DOI): 10.3386/w10445

Published: Aizer, Anna, Adriana Lleras-Muney and Mark Stabile. "Access To Care, Provider Choice, And The Infant Health Gradient," American Economic Review, 2005, v95(2,May), 248-252.

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