The inverse relationship between life expectancy-induced changes in the old-age dependency ratio and the prospective old-age dependency ratio
| Autor: | Ediev, Dalkhat M., Sanderson, Warren C., Scherbov, Sergei |
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| Zdroj: | In Theoretical Population Biology February 2019 125:1-10 |
| Databáze: | ScienceDirect |
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