Rotation as Contagion Mitigation

Ely, J, Galeotti, A and Steiner, J (2020) Rotation as Contagion Mitigation. Management Science. ISSN 0025-1909 (Accepted)

Abstract

To prevent the spread of an infection an organization obeys social distancing restrictions and thus limits the number of its members physically present on a given day. We study rotation schemes in which mutually exclusive groups are active on different days. The frequency of rotation affects risk over the duration of diffusion prior to the time the organization is able to react to the infection. If this reaction time is speedy, then such risk is undesirable since prevalence is initially convex in time. In this case, frequent rotation acts as insurance against exposure-time risk and is optimal. Infrequent rotation becomes optimal if the organization reacts slowly. Cross-mixing of the rotating subpopulations is detrimental because it increases contacts between sick and healthy individuals. However, the effect of mixing is small if the terminal prevalence is low in the absence of mixing.

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Item Type: Article
Subject Areas: Economics
Additional Information:

© 2020 INFORMS

Date Deposited: 05 Nov 2020 12:57
Date of first compliant deposit: 04 Nov 2020
Subjects: C > Crises
I > Ill health
S > Scheduling
Last Modified: 06 Nov 2020 17:41
URI: https://lbsresearch.london.edu/id/eprint/1537
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