A VEC Model Based on Accounting Time Series Data to Analyze Relationship Between World Trade with Economic Growth

International trade not only directly boosts the economy through increased imports, but also through the creation of new jobs, the attraction of new investment, the introduction of new technologies, the transfer of managerial knowledge, and the improvement of the economic and product structures. To better incentivize businesses to take part in the global division of labor and advance upstream along the entire value chain, it is essential to further deepen the economic system reform, particularly the reform of the foreign trade system. Boost international trade and the technical content of products to make better use of comparative advantages. This essay takes a deeper look than a superficial analysis of China's international trade and economic growth during the past two decades in order to draw conclusions and offer suggestions. Further, a model is constructed to illustrate the role that international trade plays in driving economic growth. Finally, choose to build a VEC model to discuss the relationship between China's foreign trade and economic growth and complete the following work: (1) Introduce the state of the research on the connection between international commerce and economic development both at home and abroad and provide the theoretical groundwork for the model that will be advanced later. (2) In conjunction with the fundamental condition of international trade and economic development since the reform and openness of my country, it analyses the mechanism of international trade to promote economic growth in my country. Then the basic principles and analysis methods of the VEC model are introduced. (3) Use sensors to collect data information and upload it to the data management center. When the model needs to be verified, the data in the data center is extracted. Cointegration test and Granger causality test are carried out on imports, exports and GDP in the database, and on this basis, the relationship between them is analyzed by establishing a VEC model and inputting time series data. Through the analysis of the long-term and short-term relationship between them, the relationship between trade and economic growth is obtained.