Extent: | 27, [19] S. : graph. Darst. |
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Series: | NBER working paper series. - Cambridge, Mass.. - Vol. 3498 |
Type of publication: | Book / Working Paper |
Source: |
Persistent link: https://www.econbiz.de/10004112942
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Extent: | 27, [19] S. : graph. Darst. |
---|---|
Series: | NBER working paper series. - Cambridge, Mass.. - Vol. 3498 |
Type of publication: | Book / Working Paper |
Source: |