SCIENCE & TECHNOLOGY PROGRESS AND POLICY  2017, Vol. 34 Issue (3): 76-83    DOI: 10.6049/kjjbydc.2016050593
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Research of the Impact of Investor Investigate on GEM Companies' R&D Expenditure
Li Haoyang,Cheng Xiaoke,Zheng Lidong
School of Economic and Management, Beijing Jiaotong University Beijing 100044,China