"National Bureau of Economic Research. NBER." . . "Openbare schulden." . . "overlapping generation model." . . "Socialezekerheidsrecht." . . . . "Overlapping Generations / Lebenszyklus / Öffentliche Schulden / Finanzpolitik / Soziale Sicherung / Theorie." . . "Overlapping Generations Lebenszyklus Öffentliche Schulden Finanzpolitik Soziale Sicherung Theorie." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Government Debt and Social Security in a Life-Cycle Economy"@en . "Government Debt and Social Security in a Life-Cycle Economy" . . . . . . "Government debt and social security in a life-cycle economy"@en . "Government debt and social security in a life-cycle economy" . . "Governement debt and social security in a life cycle economy" . . . . "National Bureau of Economic Research" . . "National Bureau of Economic Research (Estados Unidos)" . .