研发投入异质性与区域技术创新溢出效应
Publisher： 国家哲学社会科学学术期刊数据库
E-ISSN： 1006-1096|34|4|19-24
ISSN： 1006-1096
Source： 经济经纬, Vol.34, Iss.4, 2017-01, pp. : 19-24
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Abstract