| 000 | 00346nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV109904 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a330 | ||
| 245 |
_aAmerican Economic Review Vol 71 Part No.4-6 _c; |
||
| 246 | _aAmerican Economic Review Vol 68 | ||
| 260 |
_aUSA _bAmerican Economic Association _c1981 |
||
| 650 | _aEconomics | ||
| 999 |
_c73228 _d73228 |
||