Jun He
Post
Research
Note
Data
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John D Martin
โ Papers reviewed on this blog
[1990 JFE]
ๅธๅบ็็ใ็ฎๅ ็ญๆต ใๅ๏ผโโไธไปฝ 1990 ๅนด็ R&D ๅ ฌๅ็ญๅท
Corporate Research and Development Expenditures and Share Value
Jun 2026