Core Viewpoint - The "Cloud City Good Products" promotion event successfully held in the Greater Bay Area aims to enhance agricultural inter-provincial cooperation through a "media+" model and the "Four Shares" initiative, fostering new opportunities for agricultural development and market integration [2][4][12]. Group 1: Event Overview - The "Cloud City Good Products" promotion event took place on December 13 at the Zhudao Hotel in Guangzhou, attracting significant attention from various sectors [3][12]. - The event is part of a series of activities leading up to the 2025 Greater Bay Area Agricultural Trade Fair, showcasing agricultural products from Yunfu City’s Yuncheng District [11][12]. Group 2: Strategic Collaborations - Agricultural enterprises from Yuncheng District signed strategic cooperation agreements with counterparts from Guangxi and Jilin, leveraging the platform of the 21st China International Agricultural Products Trade Fair [4][12][27]. - The "Four Shares" initiative includes sharing market systems, production workshops, storage cloud warehouses, and research platforms, providing valuable experience for building a unified national market [28][29]. Group 3: Economic Impact - The promotion of "Cloud City Good Products" aims to integrate local agricultural products such as sweet potatoes, flowers, and traditional Chinese medicine into the Greater Bay Area market, enhancing brand value [13][14][60]. - Recent initiatives have led to significant economic contributions, including a total revenue of 2.77 billion yuan from the Yuncheng rural food tourism season and a total output value of 46.8 billion yuan from the southern medicine industry [60][62]. Group 4: Future Development - The event emphasizes the importance of collaboration and innovation in achieving high-quality development, moving from quantity expansion to optimizing existing resources [38][39]. - The integration of AI in agriculture and modern manufacturing is highlighted as a future focus, aiming to transform technological potential into collaborative development momentum [45][46]. Group 5: Product Highlights - The promotion showcased various local products, including sweet potatoes with high selenium content and other agricultural innovations, which are expected to enhance the region's agricultural profile [75][78]. - The Yuncheng District has seen a significant increase in the planting area for flowers and traditional Chinese medicine, contributing to the overall economic growth of the region [61][62].

Core Insights - The article emphasizes the importance of environmental regulation as a means to promote green development and the role of spatial distance between companies and regulatory bodies in influencing regulatory efficiency [1][3]. Data Overview - The research utilizes the Gaode Map API to obtain the geographical coordinates of 31 provincial environmental protection departments and 365 municipal environmental bureaus across China, along with the office and registered addresses of listed companies from 2000 to 2024 [2][5]. - A total of over 25 million distance data points were generated by calculating the spherical distance between each listed company and environmental regulatory bodies using the Haversine formula [2]. Theoretical and Practical Significance - The study introduces a novel metric for quantifying regulatory pressure faced by companies, enriching the micro-foundation of environmental regulation theory and expanding the application of spatial economics in environmental governance [3]. - By analyzing the relationship between distance and corporate environmental behavior, the research aims to identify regulatory blind spots and inefficiencies, providing data support for environmental departments to optimize enforcement strategies and for companies to enhance their environmental risk management [3]. Future Research Directions - Future studies could explore the impact of distance on the probability and severity of environmental violations by listed companies, as well as the heterogeneous performance of firms based on ownership structure and industry type [4]. - Empirical tests could be conducted to examine how regulatory distance affects companies' environmental capital expenditures and R&D investments, revealing the role of geographical proximity in promoting proactive emission reductions [4]. - The research could also investigate the indirect effects of regulatory distance on stock returns and Tobin's Q value by influencing corporate environmental risks and social responsibility image [4].