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Social Distancing, Quarantine, Contact Tracing, and Testing: Implications of an Augmented SEIR Model

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  • Andreas Hornstein

Abstract

This paper modifies the basic SEIR model to incorporate demand for health care. The model is used to study the relative effectiveness of policy interventions that include social distancing, quarantine, contact tracing, and random testing. A version of the model that is calibrated to the Ferguson et al. (2020) model suggests that permanent, high-intensity social distancing reduces mortality rates and peak ICU demand substantially, but that a policy that relaxes high-intensity social distancing over time in the context of a permanent efficient quarantine regime is even more effective and also likely to be less disruptive for the economy. Adding contact tracing and random testing to this policy further improves outcomes. However, given the uncertainty surrounding the disease parameters, especially the transmission rate of the disease and the effectiveness of policies, the uncertainty for health outcomes is very large.

Suggested Citation

  • Andreas Hornstein, 2020. "Social Distancing, Quarantine, Contact Tracing, and Testing: Implications of an Augmented SEIR Model," Working Paper 20-04, Federal Reserve Bank of Richmond.
    • Handle: RePEc:fip:fedrwp:88429
    DOI: 10.21144/wp20-04
    Note: * Due to the highly fluid nature of COVID-19 data, this working paper will be updated as a work in progress on the author's website.
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    References listed on IDEAS

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    1. Facundo Piguillem & Liyan Shi, 2022. "Optimal Covid-19 Quarantine and Testing Policies," The Economic Journal, Royal Economic Society, vol. 132(647), pages 2534-2562.
    2. Fernando Alvarez & David Argente, 2020. "A Simple Planning Problem for COVID-19 Lockdown," Working Papers 2020-34, Becker Friedman Institute for Research In Economics.
    3. Martin S Eichenbaum & Sergio Rebelo & Mathias Trabandt, 2021. "The Macroeconomics of Epidemics [Economic activity and the spread of viral diseases: Evidence from high frequency data]," The Review of Financial Studies, Society for Financial Studies, vol. 34(11), pages 5149-5187.
    4. James H. Stock, 2020. "Data Gaps and the Policy Response to the Novel Coronavirus," NBER Working Papers 26902, National Bureau of Economic Research, Inc.
    5. David Berger & Kyle Herkenhoff & Chengdai Huang & Simon Mongey, 2022. "Testing and Reopening in an SEIR Model," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 43, pages 1-21, January.
    6. Benjamin Armbruster & Margaret Brandeau, 2007. "Contact tracing to control infectious disease: when enough is enough," Health Care Management Science, Springer, vol. 10(4), pages 341-355, December.
    7. Andrew Atkeson, 2020. "What Will be the Economic Impact of COVID-19 in the US? Rough Estimates of Disease Scenarios," Staff Report 595, Federal Reserve Bank of Minneapolis.
    8. David Berger & Kyle Herkenhoff & Chengdai Huang & Simon Mongey, 2022. "Testing and Reopening in an SEIR Model," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 43, pages 1-21, January.
    9. Farboodi, Maryam & Jarosch, Gregor & Shimer, Robert, 2021. "Internal and external effects of social distancing in a pandemic," Journal of Economic Theory, Elsevier, vol. 196(C).
    Full references (including those not matched with items on IDEAS)

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    RePEc Biblio mentions

    As found on the RePEc Biblio, the curated bibliography for Economics:
    1. > Economics of Welfare > Health Economics > Economics of Pandemics > Specific pandemics > Covid-19 > Modelling

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    Cited by:

    1. Fernández-Villaverde, Jesús & Jones, Charles I., 2022. "Estimating and simulating a SIRD Model of COVID-19 for many countries, states, and cities," Journal of Economic Dynamics and Control, Elsevier, vol. 140(C).
    2. Bairoliya, Neha & İmrohoroğlu, Ayşe, 2023. "Macroeconomic consequences of stay-at-home policies during the COVID-19 pandemic," European Economic Review, Elsevier, vol. 152(C).

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    More about this item

    Keywords

    SEIR; SEIR Model; Social Distancing; COVID-19;
    All these keywords.

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