Study On The Profitability Of Listed Companies And Influencing Factors In Coal Of Industry

As an important part of the national economy and social development,the coal industry has strongly supported the development of society,the share of coal in energy consumption has been decreasing.This means that the "golden age" of coal industry has ended.Therefore,it is of great significance to study the listed coal companies in the coal industry under the background of production capacity.First,this paper introduces the background,purpose and significance of the study on the profitability of Listed Companies in the coal industry,analyzes the domestic and foreign research status of profitability,summarizes the different methods and different views of scholars on the concept of profitability in the comprehensive and systematic research status on the profitability of comments.Secondly,collect four representative data on the three important time nodes of coal industry,and make statistical description by histogram or scatter plot respectively,showing the development trend of profitability of coal industry in recent 15 years from different angles.Again.Taking the coal listed companies as the research samples,the representative financial indicators were selected,and the three representative indicators were extracted from the index by factor analysis,and the comprehensive score model was established to calculate the profitability score.Taking calculated factor score as an explanatory variable,regression analysis is carried out,and the results confirm the influence of different factors on the profitability of Listed Companies in the coal industry.Finally,based on the research and analysis,from the company scale,market concentration,financing mode,operation capacity and national economic development level,we put forward policy recommendations to improve profitability of Listed Companies in coal industry.