Search Results       Your search for [subject]Aged-Family relationships -- Mathematical models returned 1 record.           The pay-as-you-go pension system as a fertility insurance and enforcement device. by Sinn, hans-Werner.; Cambridge: National Bureau of Economic Research, 1998. Subject: Social security -- Mathematical models; Fertility, Human -- Mathematical models; Intergenerational relations -- Mathematical models; Human capital -- Mathematical models; Childlessness -- Mathematical models; Aged-Family relationships -- Mathematical models.          Add to Book Cart Relevance: 31.79%