×
模态框(Modal)标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框(Modal)标题
在这里添加一些文本
Close
Welcome to Studies in Science of Science,today is
Share:
Studies in Science of Science
Home
About Journal
Editorial Board
Journal
Current Issue
Accepted
Archive
Most Read
Most Download
Most Cited
E-mail Alert
RSS
Publication Ethics
Subscriptions
Contact Us
中文
The Tenure of Local Officials and Firms’ R&D Investment: Crowding-Out Effect or Crowding-In Effect
李后建 张宗益
. 2014, (
5
): 744 -757 .