A research on construction of the port supply and demand matching index system

Science Research Management ›› 2015, Vol. 36 ›› Issue (12) : 92-102.

Zhao Guangtian¹, Wang Keyi¹, Yu Fangping²

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Abstract

The port supply and demand matching and the evaluation index system is directly related to the efficiency of port operation level, and it is the core problem which draws the attention of the port management and operation departments. This paper studies the construction of port supply and demand matching index system. The key innovations include:firstly, the port supply and demand matching factors is proposed, and the port supply and demand matching index system is selected; secondly, the port supply and demand matching index system has been optimized with the correlation -principal component analysis method. By collecting the annual data of Shanghai port 2000-2013 and using correlation analysis, the index with correlation coefficient greater than 0.8 is removed, and the number of supply index and demand index were retained by 44% and 33.3% respectively in the first optimization. Using the principal component analysis method, a second optimization was made to the first-optimized indices, showing that the supply and demand indices after screening were 25% and 24% respectively, and they were able to reflect more than 90% of the first-optimized index information.

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port / supply and demand matching / index system / correlation analysis / principal component analysis

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Zhao Guangtian, Wang Keyi, Yu Fangping. A research on construction of the port supply and demand matching index system[J]. Science Research Management. 2015, 36(12): 92-102

References

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