An imperfect test for a virus can Be worse than No test at all.
Health Econ
; 30(6): 1347-1360, 2021 06.
Article
in English
| MEDLINE | ID: covidwho-1148712
ABSTRACT
This note studies the effect of the availability of a test for a virus on the public health of a population. It is shown by example that the existence of a freely available and moderately informative test for a virus may lower society's welfare in comparison to the case where no test exists or access to the test is restricted. In this setting, any test provided to any subset of agents who would find it optimal not to isolate absent the test improves welfare.
Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
Pneumonia, Viral
/
Models, Economic
/
Asymptomatic Diseases
/
COVID-19 Testing
/
COVID-19
Type of study:
Diagnostic study
/
Observational study
Limits:
Humans
Language:
English
Journal:
Health Econ
Journal subject:
Health Services
Year:
2021
Document Type:
Article
Affiliation country:
Hec.4254
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