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Life is a Ponzi scheme
Before too long a smaller number of young people will be having to support a larger number of the very old, a typical and unsustainable Ponzi scheme.
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| Formato: | Texto |
| Lenguaje: | English |
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BioMed Central
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2687779/ https://www.ncbi.nlm.nih.gov/pubmed/19226430 http://dx.doi.org/10.1186/gb-2009-10-1-101 |