Sample selection in estimating the determinants of cooperative R&D
Year of publication: |
2003
|
---|---|
Authors: | Piga, C. ; Vivarelli, Marco |
Published in: |
Applied economics letters. - Abingdon : Routledge, ISSN 1350-4851, ZDB-ID 1181036-1. - Vol. 10.2003, 4, p. 243-246
|
Subject: | Stichprobenerhebung | Sampling | Schätztheorie | Estimation theory |
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