Economic diplomacy receives growing interest in the field of international relations research ever since the end of the cold war. Despite the vast number of literature on economic diplomacy, there are not many studies measuring the effect of economic diplomacy quantitatively. The purpose of this paper is to propose a method to measure economic diplomacy using the event study method that observes the influence of specific events on stock prices. In this study, the summit talks between the EU and China are selected as specific events that are considered as a form of economic diplomacy, and Airbus stock price, the proxy of the reaction to the economic diplomacy, was observed to verify the influence of it. The study categorized the summit talks by the type of participants whether the top politicians were included or not. The result shows that, among all summit talks, the summit talks between top politicians between the EU and China influence the stock price of Airbus positively, and it is statistically significant.

自冷战结束以来，经济外交在国际关系研究领域受到越来越多的关注。尽管关于经济外交的文献数量众多，但对经济外交效果进行定量衡量的研究并不多。本文的目的是提出一种使用事件研究法来衡量经济外交的方法，该方法观察特定事件对股票价格的影响。本研究选取中欧首脑会谈作为经济外交的具体事件，观察空客股价作为对经济外交反应的代理，以验证其影响。 . 该研究根据参与者的类型对峰会会谈进行了分类，无论是否包括顶级政治家。结果表明，