A new preparedness policy for EMS logistics

Seokcheon Lee ()
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Seokcheon Lee: Purdue University

Health Care Management Science, 2017, vol. 20, issue 1, No 7, 105-114

Abstract: Abstract Response time in emergency medical services (EMS) is defined as the interval for an ambulance to arrive the scene after receipt of a 911 call. When several ambulances are available upon the receipt of a new call, a decision of selecting an ambulance has to be made in an effort to reduce response time. Dispatching the closest unit available is commonly used in practice; however, recently the Preparedness policy was designed that is in a simplistic form yet being capable of securing a long-term efficiency. This research aims to improve the Preparedness policy, resolving several critical issues inherent in the current form of the policy. The new Preparedness policy incorporates a new metric of preparedness based on the notion of centrality and involves a tuning parameter, weight on preparedness, which has to be appropriately chosen according to operational scenario. Computational experiment shows that the new policy significantly improves the former policy robustly in various scenarios.

Keywords: EMS logistics; Call-initiated dispatching; Preparedness; Response time (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s10729-015-9340-4

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