| 000 | 00346nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV111133 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a330 | ||
| 245 |
_aAmerican Economic Review Vol 72 Part NO.4-5 _c; |
||
| 246 | _aAmerican Economic Review Vol 68 | ||
| 260 |
_aUSA _bAmerican Economic Association _c1982 |
||
| 650 | _aEconomics | ||
| 999 |
_c74436 _d74436 |
||