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panel data of 81 A-share listed integrated circuit companies in China from 2011 to 2019 and implements the Difference in … chains, in accordance with research on industry heterogeneity. The promotion effect of the core link is significantly … pronounced promotion effect in terms of regions. Verification of the mechanism demonstrates that industrial investment funds can …
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characterizing the extent of heterogeneity within an industry that is robust with regard to extreme values of a few small firms. It … was found that the level of intra-industry heterogeneity is mainly determined by an industries' average technical …
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