RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN >> 2008, Vol. 17 >> Issue (2): 242-242.
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LIANG Liutao| QU Futian| WANG Chunhua
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Abstract:
This article calculated cultivated land use efficiency of China in 1997~2004 using the method of data envelopment analysis(DEA),which could set multi input and output indexes,avoiding inadequacy of using only one input and output index.The cultivated land use efficiency was divided into two categories:pure technical efficiency and scale efficiency for seeking the cause of the change of land production efficiency.Finally,according to OLS impacting factors cultivated land use efficiency were analyzed.The results suggest that the calculated use efficiency fluctuated in 1997~2004,the average efficiency was 0732,which indicates land use efficiency was low.Cultivated land use efficiency and pure technical efficiency had the same change trend,which farther shows that the change of cultivated land use efficiency mainly induced by pure technical efficiency.Meanwhile,cultivated land use efficiency was different among 31 provinces in China.There are many factors impacted on land use efficiency,which can be lined as follows from high degree to low,natural conditions of cultivated land resources,the distribution of cultivated land resource,the development of economy,natural environment and agricultural production conditions.
Key words: data envelopment analysis(DEA), metric economics mode, cultivated land, efficiency
LIANG Liutao, QU Futian, WANG Chunhua. ANALYSIS ON CULTIVATED LAND USE EFFICIENCY BASED ON DEA[J].RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2008, 17(2): 242-242.
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