MPIDR WORKING PAPER WP 2012-015 MARCH 2012 Concepció Patxot Elisenda Renteria Miguel Sánchez Romero (msanchez@demogr.mpg.de) Guadalupe Souto Measuring the balance of government intervention on forward and backward family transfers using NTA estimates: The modified Lee Arrows Max-Planck-Institut für demografische Forschung Max Planck Institute for Demographic Research Konrad-Zuse-Strasse 1 · D-18057 Rostock · GERMANY Tel +49 (0) 3 81 20 81 - 0; Fax +49 (0) 3 81 20 81 - 202; http://www.demogr.mpg.de This working paper has been approved for release by: Michaela Kreyenfeld (kreyenfeld@demogr.mpg.de), Deputy Head of the Laboratory of Economic and Social Demography. © Copyright is held by the authors. Working papers of the Max Planck Institute for Demographic Research receive only limited review. Views or opinions expressed in working papers are attributable to the authors and do not necessarily reflect those of the Institute.