1. Acemoglu, D., & Restrepo, P. (2017). Secular stagnation? The effect of aging on economic growth in the age of automation. American Economic Review, 107(5), 174–178.
2. Bloom, D. E., Canning, D., & Lubet, A. (2015). Global population aging: Facts, challenges, solutions & perspectives. Daedalus, 144(2), 80–92.
3. Cincotta, R., & Doces, J. (2012). The age-structural maturity thesis: The impact of the youth bulge on the advent and stability of liberal democracy. In J. A. Goldstone, E. P. Kaufmann, & M. D. Toft (Eds.), Political demography (pp. 98–116). Paradigm Publishers.
4. Coleman, D., & Basten, S. (2015). The death of the west: An alternative view. Population Studies, 69(S1), S107–S118.
5. Collier, D. (2014). Exodus: Immigration and multiculturalism in the 21st century. Penguin.