| 000 | 00376pab a2200157 454500 | ||
|---|---|---|---|
| 008 | 180718b2007 xxu||||| |||| 00| 0 eng d | ||
| 100 | _aBloom, Nick | ||
| 245 | _aUncertainty and the dynamics of R&D | ||
| 260 | _c2007 | ||
| 300 | _ap.250-55. | ||
| 362 | _aMay | ||
| 650 | _aResearch and development | ||
| 773 | _aAmerican Economic Review | ||
| 908 | _aN | ||
| 909 | _a74162 | ||
| 999 |
_c74162 _d74162 |
||