Resources Utilization and Management

Data Envelopment Analysis and Efficiency Evaluation on Development of Agricultural Circular Economy in Guangdong

  • 1. Key Laboratory of Ecological Agriculture of Ministry of Agriculture of the People’s Republic of China, South China Agricultural University, Guangzhou 51064;
    2. Key Laboratory of Agro-ecology and Rural Environment of Guangdong Regular Higher Education Institutions, Guangzhou 510642, China

Received date: 2009-10-23

  Revised date: 2010-03-23

  Online published: 2010-06-30


Efficiency of agricultural circular economy in 21 city-regions in Guangdong Province during the year 2004 and 2005 was evaluated using super-efficiency data envelopment analysis(SE-DEA) method. The results indicated average super efficiency values of DEA for 21 city-regions have exceeded 2.0 in two years. Eleven city-regions’efficiency values increased in 2005, which meant that agricultural circular economic development in Guangdong as a whole was good. During the year from 2004 to 2005, average comprehensive efficiency, technical efficiency and size efficiency for 21 city-regions were 0.9670, 0.9748 and 0.9910 respectively. For five non-DEA efficiency city-regions, Shanwei was in the state of technical efficiency but non-size efficiency, with increasing returns to scale. The other five cities such as Huizhou, Qingyuan, Meizhou and Jiangmen were characterized by neither technical efficiency nor size efficiency, and Meizhou yielded the lowest technical efficiency and decreasing returns to scale. Agricultural circular economy efficiency in these non-DEA efficiency city-regions could be improved by appropriate readjustment of ineffective inputs and outputs, that is, to retrench excessive inputs or increase insufficient outputs.

Cite this article

QIN Zhong,WANG Jian-wu,ZHANG Jia-en,LUO Shi-ming,XU Hua-qin,ZHAO Ben-ling . Data Envelopment Analysis and Efficiency Evaluation on Development of Agricultural Circular Economy in Guangdong[J]. JOURNAL OF NATURAL RESOURCES, 2010 , 25(6) : 904 -913 . DOI: 10.11849/zrzyxb.2010.06.003


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