| 000 | 00371nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 230627s9999 xx 000 0 und d | ||
| 050 | _aECO PAM HD8039.A68 | ||
| 100 | _aAltug, Summi | ||
| 245 | 0 | _aEstimates of the returns to scale for US manufacturing | |
| 260 | _bCEPR | ||
| 260 | _c1999 | ||
| 300 | _a35p. | ||
| 300 | _c21cm. | ||
| 650 | _aProcyclical productivity | ||
| 999 |
_c124468 _d124468 |
||