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| 2012, Vol. 1(6): 11-16 DOI: | ||
| Process Trade, Producer Services Industry and Services Industry’s Structure Upgrade: An Empirical Study based on the Data of the Yangtze River Delta Region | ||
| PEI Zhen, BI Yu-Jiang | ||
| (School of Economics and Trade, Shanghai Lixin University of Commerce, Shanghai, 201620;Opening Economy and Trade Research Center, Shanghai Lixin University of Commerce, Shanghai, 201620,China) | ||
| Received 2012-04-29 Revised 2012-12-03 | ||
| Supporting info | ||
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