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| 2025, Vol. 42(2): 68-79 DOI: | ||
| Upstream Degree of Imports and Export Quality of Manufacturers: Theoretical Mechanism and Empirical Evidence | ||
| ZHAO Nan, YANG Mengjie, TANG Qingqing | ||
| School of International Business and Economics, Henan University of Economics and Law, Zhengzhou 450046, China | ||
| Received 2024-09-16 Revised null | ||
| Supporting info | ||
| null | ||
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