农产品贸易提升了中国农业全要素生产率吗?-基于双重门槛效应的检验
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1003-1154|37|5|15-19
ISSN: 1003-1154
Source: 管理现代化, Vol.37, Iss.5, 2017-01, pp. : 15-19
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Abstract