An Empirical Study On Industrial Difference Of China's Listing Company's Profitability

From the end of 19 centuries to the beginning of 20 centuries at which the financial report had started, the financial analysis has been an aged and vital study lesson. In its development, it is getting constanty perfect in the method of information containing and research at the same time, people found problems at the process of using it, and gradually paid attention to the factors outside which influence the information needed, continuously perfected financial analysis theories, combined the theories with the practice of financial analysis, then offered the valid data and analysisi result for the user of financial report, and helped them to do all kinds of decisions.This thesis's main analysis method is factor analysis, which is a useful multivariant statistical method. Factor analysis'major objective is to concerntrate datas. It is studying the inside structure between a lot of variables and comes to espress the datas with minority several hypothesis variables to come to seek basic structure in the datas being observed dependency relationship.Relation , secondary industry the main body of a book is studied mainly between the profitability and industry characteristic being that our country is unlike industry listed company start off , adopt the method that demonstration studies, every industry profitability has carried out the systematic all-round quantify on our country studying. Adopt factor analysis and host be accomplished analysis law, a listed company profitability carries out different to our country industry secretly scheming against and being ordered , the profitability and industry characteristic having testified our country listed company have notable relation.The main order of this thesis is to study the relation between the profit ability of listing companies in different industrial and industrial characteristics, from the industry angle, adopt the method of positive research, every industry profitability has carried out the systematic all-round quantify research. Adopt positive research and principal components research to compute the profit ability of listing companies in different industrial, and then prove that there are relationship between the profit ability and industrial characteristics. In the further analyse, compare the synthetical score of the listing companies in different industrial, and found that the compete of a industry, marketplace structure type, the industry life cycle and the economic effect of the industry have been effect the profit ability of the listing companies. The research of this thesis can guide the company to choose proper development stratege, guide the listing companies to control management, lead the small and medium investor to make the right invest dicision, and offer reference for the government to work out the proper policy for different industries.