| 000 | 00437nas a22001817i 4500 | ||
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| 001 | 6233 | ||
| 003 | OSt | ||
| 005 | 20170126082353.0 | ||
| 007 | tu | ||
| 008 | 161220s xxu||||| |||| 00| 0 d | ||
| 024 | 7 |
_a6233 _2RID |
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_a6233 _2RSN (alt) |
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| 040 | _cOSt | ||
| 245 | 0 | 0 | _aNBER Digest -The- |
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_aCambridge, Massachusetts : _bNBER. |
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| 110 | 2 | _aNational Bureau of Economic Research | |
| 866 | 0 | _ulaufender Jahrgang - 2010/April | |
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