山东省R&D投入对区域技术效率的影响作用研究——基于17地市面板数据的实证分析

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1007-5097|29|9|22-29

ISSN: 1007-5097

Source: 华东经济管理, Vol.29, Iss.9, 2015-01, pp. : 22-29

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract