Ranking efficiency of Asian container ports: a bootstrapped frontier approach

Ranking efficiency of Asian container ports: a bootstrapped frontier approach

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Article ID: iaor20135140
Volume: 5
Issue: 6
Start Page Number: 668
End Page Number: 690
Publication Date: Sep 2013
Journal: International Journal of Shipping and Transport Logistics
Authors: ,
Keywords: statistics: data envelopment analysis
Abstract:

This paper employs a smoothed homogenous bootstrapped frontier approach to obtain data envelopment analysis (DEA) efficiency estimates for a more reliable efficiency ranking of Asian container ports. The paper applies desirable statistical properties to DEA efficiency estimates pertaining to consistency, unbiasedness, and estimation of confidence intervals. The paper uses a three‐pronged analysis, first by identifying outliers using the log‐ratio analysis; second, testing hypothesis with regard to global returns to scale employing a bootstrap methodology; and third, implementing the smooth homogenous bootstrap method to derive bias‐corrected DEA efficiency estimates and to build confidence intervals. The results of the study enable individual ports to assess whether their production is efficient compared to their counterparts and indicate strategies for efficiency improvement.

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