The effect of Medicaid expansions for low-income children on Medicaid participation and private insurance coverage: evidence from the SIPP

We examine Medicaid enrollment and private coverage loss following expansions of Medicaid eligibility. We attempt to replicate Cutler and Gruber’s [Q. J. Econ. 111 (1996) 391.] results using the Survey of Income and Program Participation (SIPP), and find smaller rates of take-up and little evidence of crowding out. We find that some of the difference in results can be attributed to different samples and recall periods in the data sets used. Extending the previous literature, we find that takeup is slightly increased if a child’s siblings are eligible and with time spent eligible. Focusing on children whose eligibility status changes during the sample, we estimate smaller take-up effects. We find little evidence of crowding out in any of our extensions. D 2004 Elsevier B.V. All rights reserved.