CAUSAL PARAMETERS AND POLICY ANALYSIS IN ECONOMICS: A TWENTIETH CENTURY RETROSPECTIVE
| Year of publication: |
1999
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|---|---|
| Authors: | Heckman, James L. |
| Published in: |
Working paper / National Bureau of Economic Research, Inc. - Cambridge, Mass, ISSN 0898-2937, ZDB-ID 12239057. - 1999, 7333, p. 7333
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