Xin Li

With the rapid development of digital technology, digital technology innovation has become a core driver of China’s economic development. Thus, this study uses A-share listed companies from 2003 to 2021 as the research sample. The digital patents of firms are identified to portray the level of digital technology innovation by matching the digital economy industry classification code, national economy industry classification code, and IPC number. Considers the economic effect of digital technology innovation from the perspective of firm market value. It is found that digital technology innovation significantly contributes to the increase in firm market value, and this finding still holds when robustness tests are performed. Mechanistic tests have shown that digital technology innovation affects firm market value by driving digital transformation, promoting productivity, and enhancing market profitability. Further analysis reveals that digital technology innovation has a more significant effect on increasing firm market value for large, non-state, capital-intensive, technology-intensive and low internal control costs firms. This study verifies the enabling effect of digital technology innovation on the development of the real economy at the micro level, and provides insights for the optimization of China’s digital technology innovation policies and the formulation of firms’ digital development strategies.

The “dual circulation” development pattern is a major economic strategy proposed by China. Using samples gathered from firms located in the Haidian Science and Technology Park in Zhongguancun between 2013 and 2019, this paper constructs an index system for measuring the degree of synergy of the dual circulation coupling of the firms, and then uses the Cloglog survival model to empirically verify its effect on the survival of firms. It is found that the dual circulation coupling synergy of firms significantly contributes to firm survival, a finding that still holds after robustness tests. Mechanism tests show that firm dual circulation coupling synergies contribute to firm survival by promoting firm innovation, market demand, and resource allocation efficiency. Further analysis reveals that the coupled synergy of the dual circulation of firms contributes more significantly to the survival of growing and mature firms, MSMEs, private firms and non-start-up firms. This paper is the first to measure dual circulation. It provides micro-theoretical mechanisms and relevant empirical evidence for the dual circulation coupling synergy for firm survival.

This paper presents a predictive analysis of the Chinese economy in the post-epidemic era. Five major public health emergencies historically similar to the COVID-19 epidemic are used as the control group, and a fuzzy mathematical model is applied to forecast and analyze China’s economy after the COVID-19 epidemic. The forecast results show that China’s overall economy will have recovered to the pre-epidemic level in about 1 year, with the fastest recovery in individual economic indicators, followed by government final consumption and imports, then CPI, fiscal revenue, exports and money supply, and the slowest recovery in employment. Finally, a combination of all the parties makes policies and recommendations for China’s economic and social development in the post-epidemic era.

Since the outbreak of the new crown epidemic, it has dealt a severe blow to economies around the world. How to quickly recover the traumatized economies in the post-epidemic era is now an important task. This paper constructs a prediction model based on the data of five major epidemics similar to the current one that occurred in history. Based on the prediction model built, we make a comprehensive forecast and individual economic indicators forecast for China's economy after the current epidemic, and the forecast results show that the overall economy of the country name and import and export can basically recover to the pre-epidemic level in about one year, and the recovery time for tourism and air transportation is longer and requires a slow recovery. This result is also very much in line with China's reality. China has already gained some experience in this kind of economic recovery, and a summary of these experiences will provide inspiration to other economies.

In this study, the concept, basic theory and application of the management of social media in major public health emergencies were expounded with the management of social media in the novel coronavirus pneumonia as the breakthrough point. With the related reports or information of the novel coronavirus pneumonia as the analysis sample, the role of social media in the pandemic was discussed from multiple aspects and perspectives by using the method of content analysis. On this basis, the management strategies of social media in major public health emergencies were further proposed.