U.S. R&D data (Cattell directories)
收藏DataCite Commons2025-07-17 更新2024-07-13 收录
下载链接：
https://scholarbank.nus.edu.sg/handle/10635/150104
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资源简介：
This novel dataset, digitized from the Jaques Cattell directories of U.S. R&D, covers 2805 companies with 8525 facilities, including location, reporting line within the organization, numbers of professional staff and technicians, and R&D fields over the years 1975-98. The dataset includes a match to the Compustat identifier, gvkey. For more details on this dataset, please visit https://sites.google.com/site/iplpng/research/stata.
提供机构：
National University of Singapore
创建时间：
2018-12-21
