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| Baoxiang Li |
| Xiamen University of Technology |
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| No. 600, Ligong Road, Houxi Town, Jimei District |
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| Xiamen, Fujian 361024 |
| 中国 |
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| libx509@163.com |
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JEL Areas:
O3 : Technological Change; Research and Development: General
C1 : Econometric and Statistical Methods: General |
