The Solution to the"Bottleneck"Dilemma:Enterprise'Trade Networks and Import Diversification of Key Equipment
Promoting import diversification of key equipment is a strategy to break the"bot-tleneck"dilemma.This paper uses the PageRank algorithm to measure the firm-level central-ity of trade network,and then explores the influence mechanism of the enterprise trade net-work status on the import diversification of key equipment.It is found that enhancing the firm's trade network status helps to improve the level of key equipment import diversifica-tion.Mechanism analysis shows that enterprises'trade network status works through network location advantages such as information advantages,cost advantages and financing advan-tages.Heterogeneity analysis shows that the promotion effect of enhancing trade network status on the level of import diversification of key equipment is stronger for enterprises im-porting from countries with lower political risks,enterprises belonging to industries with higher degree of access,and enterprises with better financial systems in their regions,as well as state-owned enterprises.This study provides important insights into the use of enter-prise trade networks to break the"bottleneck"dilemma of key equipment imports,and pro-vides useful suggestions to ensure the security of key equipment supply in China.
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