A Research on the Factors of Product Market Segmentation ——Based on the Gravity Model-Panel Data from Provincial Railway Freight Trade
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Economic Survey  2016, Vol. 33 Issue (1): 0132    DOI:
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A Research on the Factors of Product Market Segmentation ——Based on the Gravity Model-Panel Data from Provincial Railway Freight Trade
LIU Yi-ang, LAI De-sheng
School of Economics and Business Administration, Beijing Normal University, Beijing 100875, China
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