Callan, T., Coleman, K., and Walsh, J. (2006). Assessing the Impact of Tax/Transfer Policy Changes on Poverty: Methodological Issues and Some European Evidence, Research in Labor Economics, Vol. 25, The Netherlands: Elsevier JAI Press, https://www.esri.ie/publications/assessing-the-impact-of-tax-transfer-policy-changes-on-poverty-methodological-issues-0