Minimum wage: U.S. Department of Labor, “Minimum Wage Laws in the States – January 1, 2015,” http://www.dol.gov/whd/minwage/america.htm#content.
EITC: Tax Policy Center. 2014. State EITC Based on Federal EITC Tax Year 2014. Urban Institute and Brookings Institute. http://www.taxpolicycenter.org/taxfacts/displayafact.cfm?Docid=293; and Tax Credits for Working Families, “States with EITCs,” http://www.taxcreditsforworkingfamilies.org/earned-income-tax-credit/states-with-eitcs/.
CTC: Tax Credits for Working Families, “States with CTCs,” http://www.taxcreditsforworkingfamilies.org/earned-income-tax-credit/states-with-eitcs/.
CDCTC: Tax Credits for Working Families, “States with CDCTCs,” http://www.taxcreditsforworkersandfamilies.org/state-tax-credits/
Child care subsidy income limit: National Women's Law Center. 2014. Turning the Corner: State Child Care Assistance Policies 2014. https://www.nwlc.org/wp-content/uploads/2015/08/nwlc_2014statechildcareassistancereport-final.pdf.
Child support pass-through: Urban Institute. 2014. Welfare Rules Databook: State TANF Policies as of July 2013. http://www.urban.org/research/publication/welfare-rules-databook-state-tanf-policies-july-2013.