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Abstract：
With the swift advancement of the global digital economy, data has emerged as a critical component in fostering the integration of large enterprises with small and medium-sized enterprises (SMEs). Nevertheless, due to disparities in resources and capabilities between these entities, there is a deficiency in the willingness to share data, hindering the full actualization of data\'s potential value. Hence, it is imperative to facilitate a novel cooperative development paradigm wherein platforms enable data sharing among large enterprises and SMEs. In this paper, we construct a tripartite evolutionary game model encompassing large enterprises, SMEs, and digital platforms, examine the evolutionary stable strategies adopted by these entities in the data sharing, and use numerical simulation to explore the system\'s evolutionary stability under various influencing factors. Contrasting with prior research, this study considers the heterogeneity of enterprise scale and delves into the data sharing dynamics between large enterprises and SMEs. Simultaneously, it positions the digital platform as a player in the game, examining its impact on data sharing among the enterprises. Findings indicate that: (1) SMEs exhibit greater eagerness for data sharing compared to large enterprises, which display a U-shaped influence during the process; (2) Digital platforms are particularly sensitive to costs, with the platform\'s initiative and the service quality will affect enterprises strategic choices; (3) Government subsidies positively encourage tripartite cooperation, and robust data security governance framework is crucial for enterprises. Finally, based on the results of the study and combining with the current situation of digital economy development, it puts forward the suggestions for promoting platforms to empower large enterprises and SMEs to realize data sharing and the prospects for future research.
摘要：
随着全球数字经济的快速发展，数据已成为促进大型企业与中小型企业（SME）整合的关键组成部分。然而，由于这些实体之间资源和能力的差异，共享数据的意愿存在缺陷，阻碍了数据潜在价值的充分实现。因此，必须促进一种新的合作发展模式，其中平台可以在大型企业和中小型企业之间共享数据。在本文中,我们构建了一个包含大型企业的三方进化博弈模型，中小企业,数字平台,检查这些实体在数据共享中采用的进化稳定策略，并利用数值模拟方法探讨了系统在各种影响因素下的演化稳定性。与先前的研究相比，本研究考虑了企业规模的异质性，深入研究了大型企业和中小企业之间的数据共享动态。同时,它将数字平台定位为游戏中的玩家，考察其对企业间数据共享的影响。研究结果表明：(1)与大型企业相比，中小企业对数据共享的渴望更大，在此过程中表现出U型影响；(2)数字平台对成本特别敏感，平台的主动性和服务质量会影响企业的战略选择;(3)政府补贴积极鼓励三方合作,而健壮的数据安全治理框架对企业至关重要。最后,根据研究结果，结合数字经济发展现状，提出了推动平台赋能大型企业和中小企业实现数据共享的建议和未来研究的展望。
