Antibody Tests: They are More Important than We Thought

Luis Guimaraes

No 2020/07, QBS Working Paper Series from Queen's University Belfast, Queen's Business School

Abstract: Antibody testing is a non-pharmaceutical intervention - not recognised so far in the literature - to prevent COVID-19 contagion. I show this in a simple economic model of an epidemic in which agents choose social activity under health state uncertainty. In the model, susceptible agents are more socially active when they think they might be immune. And this increased activity escalates infections, deaths, and welfare losses. Antibody testing, however, prevents this escalation by revealing that susceptible agents are not immune. Through this mechanism, in exercises calibrated to the UK, I find that antibody testing can save about 8% of COVID-19 related deaths within 12 months

JEL-codes: D62 E17 I12 I18 (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:qmsrps:202007

DOI: 10.2139/ssrn.3640105

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