Listed companies are an important economic resource in a region.The healthy development of listed companies often drives the growth of economic aggregate,fiscal revenue and employment in the region.The performance of listed companies has a direct impact on the overall economic strength of this region.How to evaluate the operating results and operating effectiveness of listed companies,apply scientific and effective methods to evaluate the operating performance of listed companies,and give the direction of the improvement of the operating performance,promote the continuous high-efficient development of the listed company becomes the starting point and the goal of this article's research.The evaluation theory of company performance has gradually matured through periods,and the evaluation methods and evaluation indicators become diverse,but they all have some limitations.This article starts from the evaluation theory of company performance,compares and researches the main performance evaluation methods,selects data envelopment analysis(DEA)method to evaluate the performance of listed companies of Guangxi.The theoretical basis and main evaluation models of DEA method were introduced further.Using the annual financial data published by listed companies,35 valid evaluation samples of listed companies in Guangxi were established,and a scientific and reasonable input-output index system was established also.The BCC model of DEA method was used to evaluate the performance of these 35 valid samples.Through the running results of DEAP 2.0 software,the 35 listed companies were evaluated on the technical efficiency,scale efficiency and pure technical efficiency of DEA.The listed company's input-output redundancy and target improvement were analyzed further,and the direction of improvement,improvement target,specific adjustment ratios of operating performance of listed company in Guanxi was given then.The article concludes that after more than ten years of development,listed companies in Guangxi have achieved certain achievements.However,there are still many problems in the input-output efficiency in terms of operating income,net profit,tax contribution,total asset size,fixed assets,financial expenses,salary payments,etc.Combining the above-mentioned questions,this paper gives opinions and suggestions from the perspective of company management and regional development. |