Missing in Action? Speed optimization and slow steaming in maritime shipping

Lisa Assmann (), Jonas Andersson and Gunnar Eskeland
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Lisa Assmann: Dept. of Business and Management Science, Norwegian School of Economics, Postal: NHH , Department of Business and Management Science, Helleveien 30, N-5045 Bergen, Norway, http://www.nhh.no/Default.aspx?ID=46516

No 2015/13, Discussion Papers from Norwegian School of Economics, Department of Business and Management Science

Abstract: This paper analyzes the claim, made by both academics and by industry insiders, that vessels speed up under conditions of high freight rates and low bunker prices. The rationale for the claim is that a ship should move slowly when high bunker prices make energy cost savings great and when the low reight rates give little temptation to rush for the next transport job. The analysis is based on the theoretical model for speed optimization by Ronen (1982) applied to AIS1 data on actual speeds of all VLCCs2 leaving from the Persian Gulf to main destinations in Japan, South Korea, China from 2006 to 2012. We find some support for the theory, however with elasticities, both for freight rates and bunker prices, of smaller magnitude than expected. We also find that speed optimizing behaviour is much more pronounced on backhaul trips than on laden trips and that the speed on trips to Japan is almost completely insensitive to changes in freight rates and bunker prices. Our conclusion is that there is a potential for gains from more adoption of slow steaming.

Keywords: Speed optimization; maritime shipping; freight rates; bunker prices (search for similar items in EconPapers)
JEL-codes: Q00 (search for similar items in EconPapers)
Pages: 21 pages
Date: 2015-03-12
New Economics Papers: this item is included in nep-tre
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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