开放发展和经济安全是新时期须统筹好的重要关系。文章运用SV-TVP-SVAR模型动态识别对外开放、金融稳定与经济高质量发展三者之间的时变和时点关系，并全面刻画不同开放方式下的经济金融效应。研究表明：不同开放方式对经济高质量发展和金融稳定的影响具有异质性。贸易开放能够在短期和中期显著促进经济高质量发展；投资开放在短期对经济高质量发展的影响效应呈现正负交替特征，中期则表现为正效应；两种开放方式的长期效应机制均不明确。贸易开放和投资开放对金融稳定的影响亦具有显著差异，金融稳定在对外开放传导机制中的中介作用未得到有效发挥。今后应着力提升对外开放水平和质量，统筹好高质量发展和高水平安全的关系，助力我国经济金融行稳致远。

Opening-up and economic security are important relationships that must be well balanced in the new era. This paper uses the SV-TVP-SVAR model to dynamically identify the time-varying and temporal impacts among opening up to the outside world, financial stability, and high-quality economic development, and details the economic and financial effects of different opening modes. The research shows that different forms of openness have heterogeneous impacts on high-quality economic development and financial stability. Trade openness can significantly promote high-quality economic development in the short and medium term, while investment openness has a positive and negative alternating effect on high-quality economic development in the short term, and a certain positive effect in the medium term. The long-term effect mechanisms of both openness modes are unclear. There are significant differences in the impact of trade openness and investment openness on financial stability, and the role of financial stability in the transmission channels of opening up to the outside world has not been effectively played. Therefore, efforts should be made to improve the level and quality of opening up to the outside world, coordinate high-quality development and high-level security to help China’s economy and finance to achieve stability and long-term development.