A Grey hybrid model with industry share for the forecasting of cargo volumes and dynamic industrial changes

Chaug Ing Hsu, Yu Che Huang, Ka-Io Wong*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The importance of ocean shipping for international trade forecasting is growing due to the specialization and evolution of industrial sectors around the world. Classic approaches for cargo volume forecasting, such as time series and casual methods, may have poor performances if the data size is small with large fluctuations. This study proposes a hybrid forecasting model based on the Grey forecasting models and an industry share transformation technique. The hybrid model is particular useful for problems when there are dynamic changes in the industry share and the sample size in historical dataset is small. Using a case study of cargo export and import by industry between Taiwan and North American, the proposed model shows good forecasting performances. The findings can be useful for the marine carriers in responding to the dynamic industrial changes.

Original languageEnglish
JournalTransportation Letters
DOIs
StateAccepted/In press - 1 Jan 2018

Keywords

  • Grey theory
  • cargo volumes
  • forecasting
  • hybrid model
  • industry share

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