The Technical Efifciencyts Evaluation And Research Of Shanxi Coal Listed Companies

In recent years,coal industry in China has achieved considerable development,and growingcoal production has been ranked first in the world;the structure of coal market has improvedcontinuously,the number of various types of coal has greatly reduced,market concentration hasgradually enhanced;coal mining technology and the degree of mechanization has greatlyimproved,the efficiency of coal production has continued to be boosted, the overall momentum ofdevelopment of the coal industry has been good.However, the whole technical efficiency ofChina's coal industry has been low,and in the low or even negative profit margins in a very longtime.Now, the state has increased the integration of the coal industry, estabilshing large coal groupof companies has become a trend.Large coal production enterprises under the dominance of thelocal government have been actively integrating those small and medium-sized coal mines, thecountry back into the mainstream of integration.Shanxi Province rigorously enforce theadjustment of industrial structure by the price of a negative growth of GDP.So in order to enhancecompetitiveness,various coal companies must improve the technical efficiency of the coalindustry,achieve the orderly and effectiveness of the internal competition of the coal industry, andgain the scale economy finally. Accelerating the integration of coal has great significance topromote the transformable and leaping development of Shanxi Province.This paper used data envelopment analysis to empirically study the technical efficiency ofthe Shanxi coal listed companies,and concluded the results below:from a vertical perspective, theauthor analyzed the comprehensive technical efficiency,pure technical efficiency and scaleefficiency of10listed coal company,found that the change of efficiency value was undulatory,forexample,in2007these indicators were high, then lower,and now they show upturn again.From thehorizontal angle of view,comparing Datong Coal Industry,Luan Coal Industy,Yangquan CoalIndusty and Shanxi Coal International Industy,the author found that they had always been in theDEA efficient state, the pure technical efficiency,the allocation of resources and the scale is veryeffective; Antai Group was the overall downward trend,the technology and scale of the configuration needed to be improved;even though Lanhua Technology and Creation Industry,Xishan Coal and Electricity Industry and Meijin Energy Industry were non-DEA efficient, theirefficiency value kept high, so that their scale efficiency value were lower,it's necessary tostrengthen management and optimize the allocation of resources to achieve the DEA efficient;theall efficiency values of Coal Gasification Company and Shanxi Coke Group were low, so itneeded to increase investment in R&D,improve technological backwardness,prevent idleassets and personnel,reduce the management costs to improve efficiency levels.