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| 2016, Vol. 33(4): 68-73 DOI: | ||
| The Influence of Export on the Heterogeneous Enterprise Productivity ——An Empirical Study Based on Different Industries and Enterprise Categories | ||
| ZHAO Peng-hao, WANG Bao-shuang | ||
| Economics and ManagementSchool, Wuhan University, Wuhan 430072, China | ||
| Received 2015-08-28 Revised 2016-07-11 | ||
| Supporting info | ||
| null | ||
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