Driven by consumption upgrading and sustained economic growth, the global pet industry has expanded rapidly. As a representative emerging market, China's pet economy has exceeded RMB 500 billion in scale; however, it faces challenges such as intensifying market competition, low export dependence, and fluctuations in international policies. This study employs a combination of the ARIMA time series model, Holt's linear trend method, Principal Component Analysis (PCA), and Ordinary Least Squares (OLS) regression to systematically examine the development trends of China's pet industry, the structural differentiation of the global pet food market, and China's production capacity and export potential in pet food. The findings indicate that China's pet industry is transitioning from a phase of rapid growth to a more mature stage characterized by moderated expansion. Over the next three years, the market size is projected to grow at an average annual rate of 10.5%, with the focus of competition shifting toward product differentiation and service upgrading. Global demand for pet food exhibits pronounced regional disparities: the U.S. market is approaching saturation, the European market maintains a competitive advantage in quality and safety, and emerging markets such as China are becoming the primary engines of growth. Although China's pet food production reached RMB 270.3 billion in 2023, exports accounted for less than 2%, highlighting a structural imbalance characterized by demand-driven domestic consumption and relatively weak international competitiveness. PCA results reveal that trade barriers and production costs are the primary factors constraining exports. Based on these quantitative findings, this study proposes strategies including short-term optimization of supply chain costs, long-term expansion into high-potential markets in Southeast Asia and Latin America, and the strengthening of digital marketing capabilities. These recommendations aim to provide data-driven decision support for the sustainable development of the industry and the enhancement of firms' international competitiveness.

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With the gradual deterioration of global environmental problems, green finance has gradually become an important means to promote sustainable economic development. This paper aims to explore the impact of green finance on regional economic development, and analyze how it promotes the green transformation and upgrading of regional economy through such approaches as optimization of capital allocation, policy guidance and support. Through literature review and comparative study, it is found that green finance can not only guide capital to flow into the environmental protection industry and promote the R&D and application of green technologies, but also optimize the regional industrial structure, improve resource utilization efficiency and reduce environmental pollution. However, the development of green finance still faces many challenges, such as policy matching and information disclosure. To give full play to the role of green finance in regional economic development, it is necessary to strengthen policy guidance, improve the legal system, enhance international cooperation, and raise the awareness and capability of financial institutions in green investment. This paper provides a comprehensive overview of how green finance affects regional economic development, discusses the regional differences in the relationship between green finance and regional economic development through comparative analysis of data from four regions, and offers valuable insights for policymakers and financial institutions through in-depth research on this topic, so as to promote more sustainable economic development.

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As the global climate change situation continues to intensify and China's "dual carbon" strategy is deeply implemented, ESG performance has become a key indicator for measuring a company's sustainable development capability. Taking Chinese manufacturing enterprises as a sample, this paper studies the impact path and dynamic effects of ESG performance on the financial performance of manufacturing enterprises, thereby revealing and explaining the proactive behaviors of enterprises in practicing ESG. This paper adopts a two-way fixed effects model and empirically tests the impact and mechanism of ESG performance on corporate financial performance using unbalanced panel data from 2019 to 2023. The research shows that improving a company's ESG performance helps to enhance its financial performance. The improvement in ESG performance positively affects corporate financial performance by reducing financing costs, and this effect is more significant in non-heavy polluting and high-tech enterprises.

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Western Guangdong is a key region for coastal tourism development in Guangdong Province. With favorable development conditions, it possesses the potential to become a well-known coastal tourism destination of high international and domestic standards. Drawing on the successful experiences of internationally renowned coastal tourism destinations in areas such as top-level planning for tourism development, exploration of distinctive features, product development, marketing and promotion, facility and service provision, and sustainable development, this paper examines the practical circumstances of coastal tourism development in Western Guangdong. Based on this analysis, it proposes policy recommendations for promoting high-quality development of coastal tourism in the region from several perspectives, including industrial positioning and policy support, exploration of local characteristics and product development, brand building and multidimensional marketing, improvement of facilities and service quality, as well as ecological protection and sustainable development.

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