Национален осигурителен институт (2012). Годишен актюерски доклад.
Национален статистически институт (2014). Бюджети на домакинствата в Република България 2013 г.
Auerbach, A. J. and L. J. Kotlikoff (1987). Dynamic Fiscal Policy. Cambridge University Press.
Blanchard, O. J. (1985). Debt, deficits, and finite horizons. - The Journal of Political Economy, 93 (2), p. 223-247.
Castro, G., J. R. Maria, R. M. Felix and C. R. Braz (2013). Ageing and fiscal sustainability in a small euro area economy. Banco de Portugal Working Papers 4/2013.
Dedry, A., H. Onder and P. Pestieau (2014). Aging, social security design and capital accumulation. Core Discussion Paper N 23.
Farmer, R. E. (1990). Rince preferences. - The Quarterly Journal of Economics, Vol. 105, N 1 (Feb.), p. 43-60.
Gertler, M. (1997). Government debt and social security in a life-cycle economy. NBER Working Paper N 6000.
Grafenhofer, D., C. Jaag, C. Keuschnigg and M. Keuschnigg, (2006). Probabilistic aging. CESifo Working Paper N 1680.
Lassila, J., and T. Valkonen (2008). Population ageing and fiscal sustainability of Finland: a stochastic analysis. Bank of Finland Research, Discussion Paper N 28.
Onder, H., P. Pestieau and E. Ley (2014). Macroeconomic and fiscal implications of population aging in Bulgaria. Policy Research Working Papers 6774, World Bank, Washington, DC.
Kilponen, J., Kinnunen, H. and Ripatti, A. (2006). Population ageing in a small open economy - some policy experiments with a tractable general equilibrium model. Bank of Finland Discussion papers 28.
Schwan, A. and E. Sail (2013). Assessing the economic and budgetary impact of linking retirement ages and pension benefits to increases in longevity.
European Economy. Directorate General Economic and Monetary Affairs (DG ECFIN), European Commission, Economic Papers 512.
Schuster, P. (2014). Script for a course on General equilibrium policy evaluation. Computer software manual. Vienna.
Weil, P. (1990). Nonexpected utility in macroeconomics. - The Quarterly Journal of Economics, Vol. 105, N 1, p. 29-42.
Yaari, M. E. (1965). Uncertain Lifetime, Life Insurance, and the Theory of the Consumer. - Review of Economic Studies, 32(2) p. 137-150.
Young, G. (2002). The implications of an ageing population for the UK economy. Bank of England Working Papers 22.
European Commission (2012). The 2012 ageing report: economic and budgetary projections for the 27 EU Member States (2010-2060). European Economy, N 2.
Eurostat (2014). EUROPOP2013: European Population projections 2013-based. Available at http://epp.eurostat.ec.europa.eu/portal/page/portal/statistics/search_database
United Nations (2013). World population prospects: The 2012 revision. New York: United Nations, Department of Economic and Social Affairs, Population Division, http://esa.un.org/unpd/wpp/index.htm
World Bank (2013). Mitigating the economic impact of an aging population: Options for Bulgaria.