The Washington Post recently published an article featuring the research of 2011 Demography/Sociology Ph.D. Alum Rachel Margolis (currently Assistant Professor of Sociology at the University of Western Ontario) and 2009 Penn Demography graduate Mikko Myrskylä (Professor of Demography at the London School of Economics and Political Science, and Director of the Max Planck Institute for Demographic Research) on the effect that having a child has on a person's happiness.