“…The flattening of the pyramidal age structure and aging in general have implications for optimal retirement decisions (Poterba 2014), savings behavior (Bloom, Canning et al 2003, Finkelstein andPoterba 2004), the progress of interest rates Becker 1998, Prettner andCanning 2012), family caregiving (Gannon and Davin 2010) and labor participation (Imrohoroğlu and Kitao 2012), as well as intergenerational wealth transfer programs and policies (Behrman and Parker 2013). Other studies have investigated the relative merits of a pay-as-you-go versus a funded pension system in light of population aging (Schieber 2010, Venti 2010 or the impact of aging on disability and qualify of life (Oshio, Shimizutani et al 2010, Suzman 2010, Singh 2013. But many facets of social and economic life are also implicated beyond pension and retirement policies (Manton, Stallard et al 1998, Aísa, Pueyo et al 2012, including issues as seemingly far-removed as fertility (Grant, Hoorens et al 2004, Cullinan, Gannon et al 2013, immigration (Martínez and Marín 2014), and national security (Coleman and Rowthorn 2011).…”