%0 Journal Article %T Using discontinuous eligibility rules to identify the effects of federal Medicaid expansions on low-income children %A Card, David %A Shore-Sheppard, Lara D. %D 2004 %P 752-766 %J Review of Economics and Statistics %V 86 %I 3 %2 ISSN: 0034-6535 %U http://davidcard.berkeley.edu/papers/medicaid-exp.pdf