基于引力模型的我国产品市场分割因素研究——来自省际铁路货运贸易的面板数据
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1006-1096|33|1|132-137
ISSN: 1006-1096
Source: 经济经纬, Vol.33, Iss.1, 2016-01, pp. : 132-137
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Abstract