| 000 | 00590nam#a2200217#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219162911.0 | ||
| 008 | 941205s1982 uuu####fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aFeldstein, Martin Stuart _915206 |
|
| 245 | _aThe optimal level of Social Security benefits | ||
| 260 |
_aCambridge (Mass.) _b NBER. _c1982 |
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| 300 |
_a22 p. _c 27 cm. |
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| 500 | _aBibliografía y resumen | ||
| 490 | _aNBER. Working paper ; 970 | ||
| 650 | 4 |
_aASPECTOS ECONOMICOS _932202 |
|
| 650 | 4 |
_aSEGURIDAD SOCIAL _948362 |
|
| 942 | _cLIB | ||
| 942 | _z30943 | ||
| 999 |
_c76871 _d76871 |
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