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The impact of population ageing on public debt : a panel data analysis for 18 European countries
Afflatet, Nicolas, (2018)
Afflatet, Nicolas, (2016)
Social security and migration in an ageing Europe
Hagen, Jürgen von, (1994)
Développement économique et accroissement de population: un exemple actuel en Indonésie
Keyfitz, N., (1958)
Differential fertility in Ontario : an application of factorial design to a demographic problem
Keyfitz, N., (1952)
The growth of village population and economic development in South Asia
Keyfitz, N., (1957)