The Network Structure Characteristics of Ventilator Trade under Covid-19

Based on the global trade data of ventilator products in 2020 and the social network analysis method, this paper depicts and reveals the features of the trade network structures of global ventilator products. The results shows that the trade network of global ventilator products has a high degree of collectivization and cohesion. What's more, it embodies high overall trade efficiency owing to its excellent accessibility and connectivity. It also presents the core edge structure with typical small world characteristics. Among the trade network of global ventilator products, we can see that the United States, Germany and France are in the absolute central position and act as a "bridge". On the whole, the trade of global ventilator products reflects a trade pattern which is dominated by developed countries and has uneven spatial layout.