Arpino, Bruno and Bordone, Valeria (2017) Regular provision of grandchild care and participation in social activities. Review of Economics of the Household. 15(1), 135–174.
Angelini V., Cavapozzi D., Corazzini L., O. Paccagnella (2012). Age, Health and Life Satisfaction Among Older Europeans. Social Indicators Research 105:293-308, doi: 10.1007/s11205-011-9882-x
Emery, Tom. (2013) Intergenerational transfers and European families: Does the number of siblings matter?. Demographic Research, 29: 247-274.
Margolis, Rachel. (2016). The Changing Demography of Grandparenthood. Journal of Marriage and Family. 78(3):610-622.
Sole-Auro, Aida and Eileen M. Crimmins. (2014). Who cares? A comparison of informal and formal care provision in Spain, England and the USA. Ageing and society 34.03: 495-517.