Supply Chain Concentration,Environmental Uncertainty And Accounting Information Comparability

The comparability of accounting information plays an important role in the market economy.Western capitalist countries have dominated the study of the comparability of accounting information.In recent years,Chinese scholars have begun to focus on this concept of financial management,trying to learn from the existing research results and measurement methods in the West,and to link with the specific situation in China.Both the theoretical exploration level and the system design level have achieved certain results.However,the research of scholars mainly focuses on the economic consequences of the comparability of accounting information,such as the reduction of information acquisition performance and the improvement of audit efficiency.The research on the influencing factors is scarce.Moreover,there is relatively little research on commodity markets.In today's society,economic globalization is a double-edged sword,which improves the efficiency of resource allocation and accelerates the flow of market factors,but it also faces environmental uncertainties such as the current Sino-US trade war.The market has produced a certain degree of volatility,and the impact is quite extensive.At the same time,the reform of state-owned enterprises is in full swing.In view of this,this paper attempts to use China's special market economic system and the current complex economic situation as the background,with the accounting information comparability as the research entry point,and the listed companies of China's Shanghai and Shenzhen A shares in 2011-2017 as a research sample.The explore the issue:whether the company is affected by the bargaining power of suppliers or customers in the context of high supply chain concentration,resulting in managers are not willing to disclosure accounting information through public channels which in turn reduces the comparability of accounting information.Can environmental uncertainty make the impact of supply chain concentration on the comparability of corporate accounting information more significant?Further,will the heterogeneity of property rights affect the adjustment of environmental uncertainty?This paper includes six parts.The first chapter is the introduction.lt summarizes the research background and the significance of the topic,then shows the content and methods of the research,and clarifies the research ideas and technology roadmap further,and finally refines the possible innovations.The second chapter is a literature review.According to the influence of accounting information comparability,environmental uncertainty and accounting information comparability and the relationship between the concentration of supply chain and the comparability of accounting information,this paper comprehensively combs relevant research results at home and abroad,and finally summarizes and analyzes the research presented in this paper.Entry point.The third chapter is the theoretical basis and hypothesis.Firstly,the concept of main variables is defined.Then,based on Porter's five-force model and resource dependence theory,the influence of supply chain concentration on enterprise management is analyzed.Comprehensive information asymmetry theory and principal-agent theory are used to analyze supply chain concentration.Based on the relationship between the comparability of accounting information and the adjustment of environmental uncertainty and the adjustment of environmental uncertainty under the heterogeneity of property rights,three research hypotheses are proposed.The fourth chapter is the empirical research design.Firstly,the relevant empirical models are constructed mainly based on the previous theoretical analysis and research hypotheses.Secondly,the setting and measurement methods of each variable are elaborated.Finally,the data source and the basis of sample selection are explained.The fifth chapter is the empirical results and analysis.According to the model,data descriptive statistics,correlation test and multiple linear regression analysis are carried out to test the influence relationship between supply chain concentration and accounting information comparability,the adjustment effect of environmental uncertainty on the relationship between the two,and the environment under property heterogeneity.Uncertainty of the difference in regulation,and finally the reliability of the conclusion is ensured by the robustness test.The sixth chapter is the research conclusions and policy recommendations.Based on the previous conclusions,it puts forward some relevant policy recommendations.Finally,it states the inadequacies and the next step of the research.The innovation of this paper is the first attempt to analyze the relationship between environmental uncertainty,supply chain concentration and accounting information comparability in the same framework,and find that supply chain concentration weakens the comparability of accounting information.Environmental uncertainty has a strengthening effect on the negative relationship between the concentration of supply chain and the comparability of accounting information.Secondly,it discusses the influence effect of supply chain concentration and accounting information comparability,and provides incremental information for the study of the influencing factors of accounting information comparability.Finally,in the vertical,it deeply explores the heterogeneity of property rights in environmental uncertainty.When the degree is high,the significance of supply chain concentration and accounting information comparability is significant.It is found that compared with non-state-owned enterprises,state-owned enterprises will strengthen the negative impact of supply chain concentration on the comparability of accounting information,and make the adjustment of high environmental uncertainty more obvious.The research can enrich the research on the comparability of accounting information and provide a reference for the reform of financial management in listed companies,especially state-owned enterprises from the theoretical and practical level.