| Extent: | XIV, 216 S. : graph. Darst. |
|---|---|
| Series: | Technical paper / National Bureau of Economic Research. - New York. - Vol. 20 |
| Type of publication: | Book / Working Paper |
| Language: | English |
| ISBN: | 0-87014-223-2 |
| Source: |
Persistent link: https://www.econbiz.de/10004029101