The outbreak of the COVID-19 epidemic has caused major changes in China’s economic environment. This paper takes the outbreak of the new crown epidemic in early 2020 as a node, and takes the annual reports of A-share listed companies from 2018 to 2021 as a sample, and uses the price model and income model to empirically test the impact of the new crown epidemic on and after the impact of accounting information and property rights. The moderating effect of structure on both. The research results show that the outbreak of the new crown epidemic has enhanced the correlation of surplus value, and in the normalization stage of the epidemic, the correlation of surplus value will return to the original state, while state-owned property rights can speed up the recovery of the correlation of surplus value, making it drop to the original state. There are levels.

This study examines how supply chain management (SCM) uses information technology (IT) and how that integration affects marketing effectiveness. IT plays a critical role in improving supply chain management (SCM) procedures as organisations aim for operational excellence in a world going digital. The current body of knowledge regarding the connection between IT integration in supply chain management (SCM) and marketing outcomes is compiled in this study through the use of a systematic literature review (SLR). Important conclusions show that using IT solutions, including cloud computing and advanced analytics, greatly enhances the communication, accessibility, and reactivity of data in marketing initiatives. In order to maximise the allocation of marketing resources and drive client interaction, the conversation highlights the revolutionary potential of IT. The study ends with proposals for additional research to examine the changing landscape of IT in SCM as well as tips for practitioners.