| 000 | 00591nam#a2200217#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219150601.0 | ||
| 008 | 941205s1987 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aHurd, Michael D. _922065 |
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| 245 | _aThe marginal value of social security | ||
| 260 |
_aCambridge, Mass. _b N.B.E.R. _c1987 |
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| 300 |
_a26 p., 4 h. _b gráf. _c 28 cm. |
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| 500 | _aBibliografía.-- Resumen | ||
| 490 | _aNBER. Working paper ; 2411 | ||
| 650 | 4 |
_aSEGURIDAD SOCIAL _948362 |
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| 650 | 4 |
_aASPECTOS ECONOMICOS _932202 |
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| 942 | _cLIB | ||
| 942 | _z33250 | ||
| 999 |
_c8759 _d8759 |
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