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| 2015, Vol. 32(3): 48-53 DOI: | ||
| Heterogeneous Firms, Technical Progress and Comparative Advantage —— Based on Micro-Firms’ Trade Data Analysis | ||
| XIANG Song-lin | ||
| (International Strategy Institution, Party School of the Central Committee of C. P.C, Beijing 100091, China) | ||
| Received 2015-05-07 Revised 2015-05-07 | ||
| Supporting info | ||
| null | ||
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