NDLI: Developing an inventory-based prioritization methodology for assessing inoperability and economic loss in interdependent sectors

Content Provider	IEEE Xplore Digital Library
Author	Resurreccion, J. Santos, J.
Copyright Year	2011
Description	Author affiliation: Systems Engineering and Applied Science Department, The George Washington University, Washington, DC 20052 (Resurreccion, J.; Santos, J.)
Abstract	Natural and man-caused disasters disrupt the production of commodities and services that are essential to the functions of infrastructure and economic sectors. The intrinsic interdependencies among these sectors trigger the propagation of disaster consequences that often result in a wider range of inoperability and amplified losses. This paper evaluates the impact of using inventory-enhanced policies on the recovery behavior among disrupted interdependent sectors. A dynamic inoperability input-output model (DIIM) is extended to identify the critical sectors based on two underlying minimization objectives, inoperability and economic loss. A dynamic cross prioritization plot (DCPP) is developed to integrate these objectives into a prioritization tool that allows variation in the importance associated with each objective. Implementing the methodology for the state of Virginia, a baseline inventory case revealed a high concentration of: (i) manufacturing sectors under the inoperability objective, and (ii) service sectors under the economic loss objective. Simulation of enhanced inventory policies to the manufacturing sectors reduced the recovery period by nearly a week and the total economic loss by $47.58M. The variation of importance attributed to the two objectives is demonstrated for the inventory-enhanced case. While the study focuses on enhancing inventory levels in Virginia's manufacturing sectors, complementary analysis is recommended to manage the resilience of the service sectors. The flexibility and scalability of the proposed prioritization methodology and the resulting decision support system can also be extended to accommodate analysis in other regions as well as other disaster scenarios.
Starting Page	176
Ending Page	181
File Size	383128
Page Count	6
File Format	PDF
ISBN	9781457704468
e-ISBN	9781457704475
DOI	10.1109/SIEDS.2011.5876876
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Economics Hurricanes Bridges Resilience Minimization disaster management inventory input-output
Content Type	Text
Resource Type	Article

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