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Integrating Strategic and Tactical Rolling Stock Models with Cyclical Demand
Department of MIS, Operations and Decision Sciences, University of Dayton, Dayton, USA
- 1 Department of MIS, Operations and Decision Sciences, University of Dayton, Dayton, USA
Journal of Transportation Technologies·Volume 03 (2013)·Pages 162–173·Published 26 April 2013·DOI10.4236/jtts.2013.32016
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Abstract
In the transportation industry, companies position rolling stock where it is likely to be needed in the face of a pro nounced weekly cyclical demand pattern in orders. Strategic policies based on assumptions of repetition of cyclical weekly patterns set rolling stock targets; during tactical execution, a myriad dynamic influences cause deviations from strategically set targets. We find that optimal strategic plans do not agree with results of tactical modeling; strategic results are in fact suboptimal in many tactical situations. We discuss managerial implications of this finding and how the two modeling paradigms can be reconciled.
KeywordsRolling StockNetwork ManagementStrategicTactical
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